update syntax highlight after editing (#210), move markdown and highlight scripts from lib to plugin

lib/js/data-markdown.js

@@ -1,28 +0,0 @@
-// From https://gist.github.com/1343518
-// Modified by Hakim to handle Markdown indented with tabs
-(function(){
-
-    var sections = document.querySelectorAll( '[data-markdown]' );
-
-    for( var i = 0, len = sections.length; i < len; i++ ) {
-        var section = sections[i];
-
-        var template = section.querySelector( 'script' );
-
-        // strip leading whitespace so it isn't evaluated as code
-        var text = ( template || section ).innerHTML;
-
-        var leadingWs = text.match(/^\n?(\s*)/)[1].length,
-            leadingTabs = text.match(/^\n?(\t*)/)[1].length;
-
-        if( leadingTabs > 0 ) {
-            text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
-        }
-        else if( leadingWs > 1 ) {
-            text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' );
-        }
-
-        section.innerHTML = (new Showdown.converter()).makeHtml(text);
-    }
-
-})();