diff --git a/js/reveal.min.js b/js/reveal.min.js
index 278d5e8b..41e0fc07 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -4,79 +4,4 @@
  * MIT licensed
  *
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
- */
-var Reveal=(function(){var l=".reveal .slides>section",b=".reveal .slides>section.present>section",R={controls:true,progress:true,history:false,keyboard:true,overview:true,loop:false,autoSlide:0,mouseWheel:true,rollingLinks:true,theme:null,transition:"default",dependencies:[]},Y=R.autoSlide,m=0,e=0,y,G,ak=[],f={},T="WebkitPerspective" in document.body.style||"MozPerspective" in document.body.style||"msPerspective" in document.body.style||"OPerspective" in document.body.style||"perspective" in document.body.style,n="WebkitTransform" in document.body.style||"MozTransform" in document.body.style||"msTransform" in document.body.style||"OTransform" in document.body.style||"transform" in document.body.style,z=0,k=0,D=0,ac={startX:0,startY:0,startSpan:0,startCount:0,handled:false,threshold:80};
-function i(al){if((!n&&!T)){document.body.setAttribute("class","no-transforms");return;}t(R,al);d();V();}function P(){f.theme=document.querySelector("#theme");
-f.wrapper=document.querySelector(".reveal");if(!f.wrapper.querySelector(".progress")&&R.progress){var ao=document.createElement("div");ao.classList.add("progress");
-ao.innerHTML="<span></span>";f.wrapper.appendChild(ao);}if(!f.wrapper.querySelector(".controls")&&R.controls){var an=document.createElement("aside");an.classList.add("controls");
-an.innerHTML='<div class="left"></div><div class="right"></div><div class="up"></div><div class="down"></div>';f.wrapper.appendChild(an);}if(!f.wrapper.querySelector(".state-background")){var am=document.createElement("div");
-am.classList.add("state-background");f.wrapper.appendChild(am);}if(!f.wrapper.querySelector(".pause-overlay")){var al=document.createElement("div");al.classList.add("pause-overlay");
-f.wrapper.appendChild(al);}f.progress=document.querySelector(".reveal .progress");f.progressbar=document.querySelector(".reveal .progress span");if(R.controls){f.controls=document.querySelector(".reveal .controls");
-f.controlsLeft=document.querySelector(".reveal .controls .left");f.controlsRight=document.querySelector(".reveal .controls .right");f.controlsUp=document.querySelector(".reveal .controls .up");
-f.controlsDown=document.querySelector(".reveal .controls .down");}}function d(){if(navigator.userAgent.match(/(iphone|ipod|android)/i)){document.documentElement.style.overflow="scroll";
-document.body.style.height="120%";window.addEventListener("load",ad,false);window.addEventListener("orientationchange",ad,false);}}function V(){var am=[],aq=[];
-for(var an=0,al=R.dependencies.length;an<al;an++){var ao=R.dependencies[an];if(!ao.condition||ao.condition()){if(ao.async){aq.push(ao.src);}else{am.push(ao.src);
-}if(typeof ao.callback==="function"){head.ready(ao.src.match(/([\w\d_\-]*)\.?[^\\\/]*$/i)[0],ao.callback);}}}function ap(){head.js.apply(null,aq);H();}if(am.length){head.ready(ap);
-head.js.apply(null,am);}else{ap();}}function H(){P();E();K();J();O();r("ready",{indexh:m,indexv:e,currentSlide:G});}function K(){if(T===false){R.transition="linear";
-}if(R.controls&&f.controls){f.controls.style.display="block";}if(R.progress&&f.progress){f.progress.style.display="block";}if(R.transition!=="default"){f.wrapper.classList.add(R.transition);
-}if(R.mouseWheel){document.addEventListener("DOMMouseScroll",o,false);document.addEventListener("mousewheel",o,false);}if(R.rollingLinks){N();}if(R.theme&&f.theme){var an=f.theme.getAttribute("href");
-var al=/[^\/]*?(?=\.css)/;var am=an.match(al)[0];if(R.theme!==am){an=an.replace(al,R.theme);f.theme.setAttribute("href",an);}}}function E(){document.addEventListener("touchstart",A,false);
-document.addEventListener("touchmove",af,false);document.addEventListener("touchend",W,false);window.addEventListener("hashchange",w,false);if(R.keyboard){document.addEventListener("keydown",ah,false);
-}if(R.progress&&f.progress){f.progress.addEventListener("click",q(ai),false);}if(R.controls&&f.controls){f.controlsLeft.addEventListener("click",q(B),false);
-f.controlsRight.addEventListener("click",q(j),false);f.controlsUp.addEventListener("click",q(u),false);f.controlsDown.addEventListener("click",q(F),false);
-}}function U(){document.removeEventListener("keydown",ah,false);document.removeEventListener("touchstart",A,false);document.removeEventListener("touchmove",af,false);
-document.removeEventListener("touchend",W,false);window.removeEventListener("hashchange",w,false);if(R.progress&&f.progress){f.progress.removeEventListener("click",q(ai),false);
-}if(R.controls&&f.controls){f.controlsLeft.removeEventListener("click",q(B),false);f.controlsRight.removeEventListener("click",q(j),false);f.controlsUp.removeEventListener("click",q(u),false);
-f.controlsDown.removeEventListener("click",q(F),false);}}function t(am,al){for(var an in al){am[an]=al[an];}}function S(an,al){var ao=an.x-al.x,am=an.y-al.y;
-return Math.sqrt(ao*ao+am*am);}function q(al){return function(am){am.preventDefault();al.call(null,am);};}function ad(){setTimeout(function(){window.scrollTo(0,1);
-},0);}function r(am,al){var an=document.createEvent("HTMLEvents",1,2);an.initEvent(am,true,true);t(an,al);f.wrapper.dispatchEvent(an);}function N(){if(T&&!("msPerspective" in document.body.style)){var am=document.querySelectorAll(".reveal .slides section a:not(.image)");
-for(var an=0,al=am.length;an<al;an++){var ao=am[an];if(ao.textContent&&!ao.querySelector("img")&&(!ao.className||!ao.classList.contains(ao,"roll"))){ao.classList.add("roll");
-ao.innerHTML='<span data-title="'+ao.text+'">'+ao.innerHTML+"</span>";}}}}function I(){if(R.overview){f.wrapper.classList.add("overview");var al=document.querySelectorAll(l);
-for(var aq=0,ao=al.length;aq<ao;aq++){var an=al[aq],av="translateZ(-2500px) translate("+((aq-m)*105)+"%, 0%)";an.setAttribute("data-index-h",aq);an.style.display="block";
-an.style.WebkitTransform=av;an.style.MozTransform=av;an.style.msTransform=av;an.style.OTransform=av;an.style.transform=av;if(!an.classList.contains("stack")){an.addEventListener("click",C,true);
-}var au=an.querySelectorAll("section");for(var ap=0,am=au.length;ap<am;ap++){var at=au[ap],ar="translate(0%, "+((ap-(aq===m?e:0))*105)+"%)";at.setAttribute("data-index-h",aq);
-at.setAttribute("data-index-v",ap);at.style.display="block";at.style.WebkitTransform=ar;at.style.MozTransform=ar;at.style.msTransform=ar;at.style.OTransform=ar;
-at.style.transform=ar;at.addEventListener("click",C,true);}}}}function ae(){if(R.overview){f.wrapper.classList.remove("overview");var ao=Array.prototype.slice.call(document.querySelectorAll(".reveal .slides section"));
-for(var an=0,al=ao.length;an<al;an++){var am=ao[an];am.style.WebkitTransform="";am.style.MozTransform="";am.style.msTransform="";am.style.OTransform="";
-am.style.transform="";am.removeEventListener("click",C);}a();}}function X(al){if(typeof al==="boolean"){al?I():ae();}else{L()?ae():I();}}function L(){return f.wrapper.classList.contains("overview");
-}function ab(){var al=document.body;var am=al.requestFullScreen||al.webkitRequestFullScreen||al.mozRequestFullScreen||al.msRequestFullScreen;if(am){am.apply(al);
-}}function c(){f.wrapper.classList.add("paused");}function p(){f.wrapper.classList.remove("paused");}function aa(){if(ag()){p();}else{c();}}function ag(){return f.wrapper.classList.contains("paused");
-}function a(ar,aw){y=G;var ao=ak.concat();ak.length=0;var av=m,am=e;m=aj(l,ar===undefined?m:ar);e=aj(b,aw===undefined?e:aw);stateLoop:for(var ap=0,at=ak.length;
-ap<at;ap++){for(var an=0;an<ao.length;an++){if(ao[an]===ak[ap]){ao.splice(an,1);continue stateLoop;}}document.documentElement.classList.add(ak[ap]);r(ak[ap]);
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-}else{y=null;}if(y){y.classList.remove("present");}}function aj(ao,au){var am=Array.prototype.slice.call(document.querySelectorAll(ao)),at=am.length;if(at){if(R.loop){au%=at;
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-}}if(ar.querySelector("section")){am[aq].classList.add("stack");}}am[au].classList.add("present");var an=am[au].getAttribute("data-state");if(an){ak=ak.concat(an.split(" "));
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-}}}function g(){var al=document.querySelectorAll(l),am=document.querySelectorAll(b);return{left:m>0,right:m<al.length-1,up:e>0,down:e<am.length-1};}function J(){var aq=window.location.hash;
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-var am=Array.prototype.slice.call(document.querySelectorAll(l));ap=Math.max(am.indexOf(ao),0);if(aq){an=Math.max(Array.prototype.slice.call(al.parentNode.children).indexOf(al),0);
-}}return{h:ap,v:an};}function v(){if(document.querySelector(b+".present")){var am=document.querySelectorAll(b+".present .fragment:not(.visible)");if(am.length){am[0].classList.add("visible");
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-r("fragmentshown",{fragment:al[0]});return true;}}return false;}function Q(){if(document.querySelector(b+".present")){var am=document.querySelectorAll(b+".present .fragment.visible");
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-}var al=true;switch(am.keyCode){case 80:case 33:Z();break;case 78:case 34:x();break;case 72:case 37:B();break;case 76:case 39:j();break;case 75:case 38:u();
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-break;case 70:ab();break;default:al=false;}if(al){am.preventDefault();}else{if(am.keyCode===27&&T){X();am.preventDefault();}}O();}function A(al){ac.startX=al.touches[0].clientX;
-ac.startY=al.touches[0].clientY;ac.startCount=al.touches.length;if(al.touches.length===2&&R.overview){ac.startSpan=S({x:al.touches[1].clientX,y:al.touches[1].clientY},{x:ac.startX,y:ac.startY});
-}}function af(aq){if(!ac.handled){var ao=aq.touches[0].clientX;var an=aq.touches[0].clientY;if(aq.touches.length===2&&ac.startCount===2&&R.overview){var ap=S({x:aq.touches[1].clientX,y:aq.touches[1].clientY},{x:ac.startX,y:ac.startY});
-if(Math.abs(ac.startSpan-ap)>ac.threshold){ac.handled=true;if(ap<ac.startSpan){I();}else{ae();}}aq.preventDefault();}else{if(aq.touches.length===1&&ac.startCount!==2){var am=ao-ac.startX,al=an-ac.startY;
-if(am>ac.threshold&&Math.abs(am)>Math.abs(al)){ac.handled=true;B();}else{if(am<-ac.threshold&&Math.abs(am)>Math.abs(al)){ac.handled=true;j();}else{if(al>ac.threshold){ac.handled=true;
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-},getCurrentSlide:function(){return G;},getQueryHash:function(){var al={};location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(am){al[am.split("=").shift()]=am.split("=").pop();
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-}},removeEventListener:function(am,an,al){if("addEventListener" in window){(f.wrapper||document.querySelector(".reveal")).removeEventListener(am,an,al);
-}}};})();
\ No newline at end of file
+ */var Reveal=function(){function m(e){if(!c&&!l){document.body.setAttribute("class","no-transforms");return}T(n,e);y();b()}function g(){f.theme=document.querySelector("#theme");f.wrapper=document.querySelector(".reveal");if(!f.wrapper.querySelector(".progress")&&n.progress){var e=document.createElement("div");e.classList.add("progress");e.innerHTML="<span></span>";f.wrapper.appendChild(e)}if(!f.wrapper.querySelector(".controls")&&n.controls){var t=document.createElement("aside");t.classList.add("controls");t.innerHTML='<div class="left"></div><div class="right"></div><div class="up"></div><div class="down"></div>';f.wrapper.appendChild(t)}if(!f.wrapper.querySelector(".state-background")){var r=document.createElement("div");r.classList.add("state-background");f.wrapper.appendChild(r)}if(!f.wrapper.querySelector(".pause-overlay")){var i=document.createElement("div");i.classList.add("pause-overlay");f.wrapper.appendChild(i)}f.progress=document.querySelector(".reveal .progress");f.progressbar=document.querySelector(".reveal .progress span");if(n.controls){f.controls=document.querySelector(".reveal .controls");f.controlsLeft=document.querySelector(".reveal .controls .left");f.controlsRight=document.querySelector(".reveal .controls .right");f.controlsUp=document.querySelector(".reveal .controls .up");f.controlsDown=document.querySelector(".reveal .controls .down")}}function y(){if(navigator.userAgent.match(/(iphone|ipod|android)/i)){document.documentElement.style.overflow="scroll";document.body.style.height="120%";window.addEventListener("load",k,!1);window.addEventListener("orientationchange",k,!1)}}function b(){function o(){head.js.apply(null,t);w()}var e=[],t=[];for(var r=0,i=n.dependencies.length;r<i;r++){var s=n.dependencies[r];if(!s.condition||s.condition()){s.async?t.push(s.src):e.push(s.src);typeof s.callback=="function"&&head.ready(s.src.match(/([\w\d_\-]*)\.?[^\\\/]*$/i)[0],s.callback)}}if(e.length){head.ready(o);head.js.apply(null,e)}else o()}function w(){g();S();E();z();J();L("ready",{indexh:i,indexv:s,currentSlide:u})}function E(){l===!1&&(n.transition="linear");n.controls&&f.controls&&(f.controls.style.display="block");n.progress&&f.progress&&(f.progress.style.display="block");n.transition!=="default"&&f.wrapper.classList.add(n.transition);if(n.mouseWheel){document.addEventListener("DOMMouseScroll",st,!1);document.addEventListener("mousewheel",st,!1)}n.rollingLinks&&A();if(n.theme&&f.theme){var e=f.theme.getAttribute("href"),t=/[^\/]*?(?=\.css)/,r=e.match(t)[0];if(n.theme!==r){e=e.replace(t,n.theme);f.theme.setAttribute("href",e)}}}function S(){document.addEventListener("touchstart",nt,!1);document.addEventListener("touchmove",rt,!1);document.addEventListener("touchend",it,!1);window.addEventListener("hashchange",ut,!1);n.keyboard&&document.addEventListener("keydown",tt,!1);n.progress&&f.progress&&f.progress.addEventListener("click",C(ot),!1);if(n.controls&&f.controls){f.controlsLeft.addEventListener("click",C(K),!1);f.controlsRight.addEventListener("click",C(Q),!1);f.controlsUp.addEventListener("click",C(G),!1);f.controlsDown.addEventListener("click",C(Y),!1)}}function x(){document.removeEventListener("keydown",tt,!1);document.removeEventListener("touchstart",nt,!1);document.removeEventListener("touchmove",rt,!1);document.removeEventListener("touchend",it,!1);window.removeEventListener("hashchange",ut,!1);n.progress&&f.progress&&f.progress.removeEventListener("click",C(ot),!1);if(n.controls&&f.controls){f.controlsLeft.removeEventListener("click",C(K),!1);f.controlsRight.removeEventListener("click",C(Q),!1);f.controlsUp.removeEventListener("click",C(G),!1);f.controlsDown.removeEventListener("click",C(Y),!1)}}function T(e,t){for(var n in t)e[n]=t[n]}function N(e,t){var n=e.x-t.x,r=e.y-t.y;return Math.sqrt(n*n+r*r)}function C(e){return function(t){t.preventDefault();e.call(null,t)}}function k(){setTimeout(function(){window.scrollTo(0,1)},0)}function L(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0);T(n,t);f.wrapper.dispatchEvent(n)}function A(){if(l&&!("msPerspective"in document.body.style)){var e=document.querySelectorAll(".reveal .slides section a:not(.image)");for(var t=0,n=e.length;t<n;t++){var r=e[t];if(r.textContent&&!r.querySelector("img")&&(!r.className||!r.classList.contains(r,"roll"))){r.classList.add("roll");r.innerHTML='<span data-title="'+r.text+'">'+r.innerHTML+"</span>"}}}}function O(){if(n.overview){f.wrapper.classList.add("overview");var t=document.querySelectorAll(e);for(var r=0,o=t.length;r<o;r++){var u=t[r],a="translateZ(-2500px) translate("+(r-i)*105+"%, 0%)";u.setAttribute("data-index-h",r);u.style.display="block";u.style.WebkitTransform=a;u.style.MozTransform=a;u.style.msTransform=a;u.style.OTransform=a;u.style.transform=a;u.classList.contains("stack")||u.addEventListener("click",at,!0);var l=u.querySelectorAll("section");for(var c=0,h=l.length;c<h;c++){var p=l[c],d="translate(0%, 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