diff --git a/js/reveal.js b/js/reveal.js
index fd281cb..f0cb6bd 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -96,6 +96,9 @@ var Reveal = (function(){
 			dependencies: []
 		},
 
+		// Flags if reveal.js is loaded (has dispatched the 'ready' event)
+		loaded = false,
+
 		// The current auto-slide duration
 		autoSlide = 0,
 
@@ -447,6 +450,8 @@ var Reveal = (function(){
 			// Enable transitions now that we're loaded
 			dom.slides.classList.remove( 'no-transition' );
 
+			loaded = true;
+
 			dispatchEvent( 'ready', {
 				'indexh': indexh,
 				'indexv': indexv,
@@ -2670,6 +2675,11 @@ var Reveal = (function(){
 			}
 		},
 
+		// Checks if reveal.js has been loaded and is ready for use
+		isReady: function() {
+			return loaded;
+		},
+
 		// Forward event binding to the reveal DOM element
 		addEventListener: function( type, listener, useCapture ) {
 			if( 'addEventListener' in window ) {
diff --git a/js/reveal.min.js b/js/reveal.min.js
index ad0c80c..388b589 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,8 +1,8 @@
 /*!
- * reveal.js 2.5.0 (2013-08-11, 16:46)
+ * reveal.js 2.5.0 (2013-08-13, 08:39)
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  *
  * Copyright (C) 2013 Hakim El Hattab, http://hakim.se
  */
-var Reveal=function(){"use strict";function e(e){return t(),Nt||Dt?(window.addEventListener("load",A,!1),u(zt,e),a(),i(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){Dt="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,Nt="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,Ct=navigator.userAgent.match(/(iphone|ipod|android)/gi)}function n(){Ut.theme=document.querySelector("#theme"),Ut.wrapper=document.querySelector(".reveal"),Ut.slides=document.querySelector(".reveal .slides"),Ut.slides.classList.add("no-transition"),Ut.background=r(Ut.wrapper,"div","backgrounds",null),Ut.progress=r(Ut.wrapper,"div","progress","<span></span>"),Ut.progressbar=Ut.progress.querySelector("span"),r(Ut.wrapper,"aside","controls",'<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>'),r(Ut.wrapper,"div","state-background",null),r(Ut.wrapper,"div","pause-overlay",null),zt.controls&&(Ut.controls=document.querySelector(".reveal .controls"),Ut.controlsLeft=f(document.querySelectorAll(".navigate-left")),Ut.controlsRight=f(document.querySelectorAll(".navigate-right")),Ut.controlsUp=f(document.querySelectorAll(".navigate-up")),Ut.controlsDown=f(document.querySelectorAll(".navigate-down")),Ut.controlsPrev=f(document.querySelectorAll(".navigate-prev")),Ut.controlsNext=f(document.querySelectorAll(".navigate-next")))}function r(e,t,n,r){var o=e.querySelector("."+n);return o||(o=document.createElement(t),o.classList.add(n),null!==r&&(o.innerHTML=r),e.appendChild(o)),o}function o(){function e(e,t){var n={background:e.getAttribute("data-background"),backgroundSize:e.getAttribute("data-background-size"),backgroundImage:e.getAttribute("data-background-image"),backgroundColor:e.getAttribute("data-background-color"),backgroundRepeat:e.getAttribute("data-background-repeat"),backgroundPosition:e.getAttribute("data-background-position"),backgroundTransition:e.getAttribute("data-background-transition")},r=document.createElement("div");return r.className="slide-background",n.background&&(/^(http|file|\/\/)/gi.test(n.background)||/\.(png|jpg|jpeg|gif|bmp)$/gi.test(n.background)?r.style.backgroundImage="url("+n.background+")":r.style.background=n.background),n.backgroundSize&&(r.style.backgroundSize=n.backgroundSize),n.backgroundImage&&(r.style.backgroundImage='url("'+n.backgroundImage+'")'),n.backgroundColor&&(r.style.backgroundColor=n.backgroundColor),n.backgroundRepeat&&(r.style.backgroundRepeat=n.backgroundRepeat),n.backgroundPosition&&(r.style.backgroundPosition=n.backgroundPosition),n.backgroundTransition&&r.setAttribute("data-background-transition",n.backgroundTransition),t.appendChild(r),r}m()&&document.body.classList.add("print-pdf"),Ut.background.innerHTML="",Ut.background.classList.add("no-transition"),f(document.querySelectorAll(It)).forEach(function(t){var n;n=m()?e(t,t):e(t,Ut.background),f(t.querySelectorAll("section")).forEach(function(t){m()?e(t,t):e(t,n)})})}function a(){/iphone|ipod|android/gi.test(navigator.userAgent)&&!/crios/gi.test(navigator.userAgent)&&(window.addEventListener("load",g,!1),window.addEventListener("orientationchange",g,!1))}function i(){function e(){n.length&&head.js.apply(null,n),s()}for(var t=[],n=[],r=0,o=zt.dependencies.length;o>r;r++){var a=zt.dependencies[r];(!a.condition||a.condition())&&(a.async?n.push(a.src):t.push(a.src),"function"==typeof a.callback&&head.ready(a.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],a.callback))}t.length?(head.ready(e),head.js.apply(null,t)):e()}function s(){n(),c(),Z(),setTimeout(function(){Ut.slides.classList.remove("no-transition"),h("ready",{indexh:xt,indexv:Tt,currentSlide:Pt})},1)}function c(e){if(Ut.wrapper.classList.remove(zt.transition),"object"==typeof e&&u(zt,e),Dt===!1&&(zt.transition="linear"),Ut.wrapper.classList.add(zt.transition),Ut.wrapper.setAttribute("data-transition-speed",zt.transitionSpeed),Ut.wrapper.setAttribute("data-background-transition",zt.backgroundTransition),Ut.controls&&(Ut.controls.style.display=zt.controls&&Ut.controls?"block":"none"),Ut.progress&&(Ut.progress.style.display=zt.progress&&Ut.progress?"block":"none"),zt.rtl?Ut.wrapper.classList.add("rtl"):Ut.wrapper.classList.remove("rtl"),zt.center?Ut.wrapper.classList.add("center"):Ut.wrapper.classList.remove("center"),zt.mouseWheel?(document.addEventListener("DOMMouseScroll",mt,!1),document.addEventListener("mousewheel",mt,!1)):(document.removeEventListener("DOMMouseScroll",mt,!1),document.removeEventListener("mousewheel",mt,!1)),zt.rollingLinks?y():b(),zt.previewLinks?w():(L(),w("[data-preview-link]")),zt.theme&&Ut.theme){var t=Ut.theme.getAttribute("href"),n=/[^\/]*?(?=\.css)/,r=t.match(n)[0];zt.theme!==r&&(t=t.replace(n,zt.theme),Ut.theme.setAttribute("href",t))}X()}function l(){Vt=!0,window.addEventListener("hashchange",kt,!1),window.addEventListener("resize",St,!1),zt.touch&&(Ut.wrapper.addEventListener("touchstart",lt,!1),Ut.wrapper.addEventListener("touchmove",dt,!1),Ut.wrapper.addEventListener("touchend",ut,!1),window.navigator.msPointerEnabled&&(Ut.wrapper.addEventListener("MSPointerDown",ft,!1),Ut.wrapper.addEventListener("MSPointerMove",vt,!1),Ut.wrapper.addEventListener("MSPointerUp",pt,!1))),zt.keyboard&&document.addEventListener("keydown",ct,!1),zt.progress&&Ut.progress&&Ut.progress.addEventListener("click",gt,!1),zt.controls&&Ut.controls&&["touchstart","click"].forEach(function(e){Ut.controlsLeft.forEach(function(t){t.addEventListener(e,ht,!1)}),Ut.controlsRight.forEach(function(t){t.addEventListener(e,yt,!1)}),Ut.controlsUp.forEach(function(t){t.addEventListener(e,bt,!1)}),Ut.controlsDown.forEach(function(t){t.addEventListener(e,wt,!1)}),Ut.controlsPrev.forEach(function(t){t.addEventListener(e,Lt,!1)}),Ut.controlsNext.forEach(function(t){t.addEventListener(e,Et,!1)})})}function d(){Vt=!1,document.removeEventListener("keydown",ct,!1),window.removeEventListener("hashchange",kt,!1),window.removeEventListener("resize",St,!1),Ut.wrapper.removeEventListener("touchstart",lt,!1),Ut.wrapper.removeEventListener("touchmove",dt,!1),Ut.wrapper.removeEventListener("touchend",ut,!1),window.navigator.msPointerEnabled&&(Ut.wrapper.removeEventListener("MSPointerDown",ft,!1),Ut.wrapper.removeEventListener("MSPointerMove",vt,!1),Ut.wrapper.removeEventListener("MSPointerUp",pt,!1)),zt.progress&&Ut.progress&&Ut.progress.removeEventListener("click",gt,!1),zt.controls&&Ut.controls&&["touchstart","click"].forEach(function(e){Ut.controlsLeft.forEach(function(t){t.removeEventListener(e,ht,!1)}),Ut.controlsRight.forEach(function(t){t.removeEventListener(e,yt,!1)}),Ut.controlsUp.forEach(function(t){t.removeEventListener(e,bt,!1)}),Ut.controlsDown.forEach(function(t){t.removeEventListener(e,wt,!1)}),Ut.controlsPrev.forEach(function(t){t.removeEventListener(e,Lt,!1)}),Ut.controlsNext.forEach(function(t){t.removeEventListener(e,Et,!1)})})}function u(e,t){for(var n in t)e[n]=t[n]}function f(e){return Array.prototype.slice.call(e)}function v(e,t){var n=e.x-t.x,r=e.y-t.y;return Math.sqrt(n*n+r*r)}function p(e){var t=0;if(e){var n=0;f(e.childNodes).forEach(function(e){"number"==typeof e.offsetTop&&e.style&&("absolute"===e.style.position&&(n+=1),t=Math.max(t,e.offsetTop+e.offsetHeight))}),0===n&&(t=e.offsetHeight)}return t}function m(){return/print-pdf/gi.test(window.location.search)}function g(){0===window.orientation?(document.documentElement.style.overflow="scroll",document.body.style.height="120%"):(document.documentElement.style.overflow="",document.body.style.height="100%"),setTimeout(function(){window.scrollTo(0,1)},10)}function h(e,t){var n=document.createEvent("HTMLEvents",1,2);n.initEvent(e,!0,!0),u(n,t),Ut.wrapper.dispatchEvent(n)}function y(){if(Dt&&!("msPerspective"in document.body.style))for(var e=document.querySelectorAll(Rt+" a:not(.image)"),t=0,n=e.length;n>t;t++){var 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