Update to make slide mode support all extra syntax and change it's rendering engine

lib/response.js

@@ -22,12 +22,8 @@ var md = require('reveal.js/plugin/markdown/markdown');
 
 //reveal.js
 var slideOptions = {
-    template: fs.readFileSync(config.slidepath).toString(),
-    theme: 'css/theme/black.css',
-    highlightTheme: 'zenburn',
     separator: '^(\r\n?|\n)---(\r\n?|\n)$',
-    verticalSeparator: '^(\r\n?|\n)----(\r\n?|\n)$',
-    revealOptions: {}
+    verticalSeparator: '^(\r\n?|\n)----(\r\n?|\n)$'
 };
 
 //public
@@ -544,11 +540,9 @@ function showPublishSlide(req, res, next) {
                 url: origin,
                 title: meta.title || title,
                 description: meta.description,
-                theme: slideOptions.theme,
-                highlightTheme: slideOptions.highlightTheme,
                 slides: slides,
-                options: JSON.stringify(slideOptions.revealOptions, null, 2),
-                GA: meta.GA
+                GA: meta.GA,
+                useCDN: config.usecdn
             };
             return renderPublishSlide(data, res);
         }).catch(function (err) {