Update to reveal.js 4.1.2 (#136)

- New tools/ script to manually keep step for updates
- Plugins are all updated
- Template update following latest Pandoc version
- updated README for documentation
- Help page updated 
- See other change in NEWS file
diff --git a/inst/reveal.js-4.1.2/plugin/search/search.js b/inst/reveal.js-4.1.2/plugin/search/search.js
new file mode 100644
index 0000000..bcabf72
--- /dev/null
+++ b/inst/reveal.js-4.1.2/plugin/search/search.js
@@ -0,0 +1,7 @@
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+/*!
+	 * Handles finding a text string anywhere in the slides and showing the next occurrence to the user
+	 * by navigatating to that slide and highlighting it.
+	 *
+	 * @author Jon Snyder <snyder.jon@gmail.com>, February 2013
+	 */;return function(){var e,t,n,r,o,i,c;function a(){(t=document.createElement("div")).classList.add("searchbox"),t.style.position="absolute",t.style.top="10px",t.style.right="10px",t.style.zIndex=10,t.innerHTML='<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>\n\t\t</span>',(n=t.querySelector(".searchinput")).style.width="240px",n.style.fontSize="14px",n.style.padding="4px 6px",n.style.color="#000",n.style.background="#fff",n.style.borderRadius="2px",n.style.border="0",n.style.outline="0",n.style.boxShadow="0 2px 18px rgba(0, 0, 0, 0.2)",n.style["-webkit-appearance"]="none",e.getRevealElement().appendChild(t),n.addEventListener("keyup",(function(t){switch(t.keyCode){case 13:t.preventDefault(),function(){if(i){var t=n.value;""===t?(c&&c.remove(),r=null):(c=new f("slidecontent"),r=c.apply(t),o=0)}r&&(r.length&&r.length<=o&&(o=0),r.length>o&&(e.slide(r[o].h,r[o].v),o++))}(),i=!1;break;default:i=!0}}),!1),l()}function u(){t||a(),t.style.display="inline",n.focus(),n.select()}function l(){t||a(),t.style.display="none",c&&c.remove()}function f(t,n){var r=document.getElementById(t)||document.body,o=n||"EM",i=new RegExp("^(?:"+o+"|SCRIPT|FORM)$"),c=["#ff6","#a0ffff","#9f9","#f99","#f6f"],a=[],u=0,l="",f=[];this.setRegex=function(e){e=e.replace(/^[^\w]+|[^\w]+$/g,"").replace(/[^\w'-]+/g,"|"),l=new RegExp("("+e+")","i")},this.getRegex=function(){return l.toString().replace(/^\/\\b\(|\)\\b\/i$/g,"").replace(/\|/g," ")},this.hiliteWords=function(t){if(null!=t&&t&&l&&!i.test(t.nodeName)){if(t.hasChildNodes())for(var n=0;n<t.childNodes.length;n++)this.hiliteWords(t.childNodes[n]);var r,s;if(3==t.nodeType)if((r=t.nodeValue)&&(s=l.exec(r))){for(var p=t;null!=p&&"SECTION"!=p.nodeName;)p=p.parentNode;var d=e.getIndices(p),g=f.length,h=!1;for(n=0;n<g;n++)f[n].h===d.h&&f[n].v===d.v&&(h=!0);h||f.push(d),a[s[0].toLowerCase()]||(a[s[0].toLowerCase()]=c[u++%c.length]);var y=document.createElement(o);y.appendChild(document.createTextNode(s[0])),y.style.backgroundColor=a[s[0].toLowerCase()],y.style.fontStyle="inherit",y.style.color="#000";var v=t.splitText(s.index);v.nodeValue=v.nodeValue.substring(s[0].length),t.parentNode.insertBefore(y,v)}}},this.remove=function(){for(var e,t=document.getElementsByTagName(o);t.length&&(e=t[0]);)e.parentNode.replaceChild(e.firstChild,e)},this.apply=function(e){if(null!=e&&e)return this.remove(),this.setRegex(e),this.hiliteWords(r),f}}return{id:"search",init:function(n){(e=n).registerKeyboardShortcut("CTRL + Shift + F","Search"),document.addEventListener("keydown",(function(e){"F"==e.key&&(e.ctrlKey||e.metaKey)&&(e.preventDefault(),t||a(),"inline"!==t.style.display?u():l())}),!1)},open:u}}}));