plugins: add html5 video support

Shows ogv, mp4 and webm files inside a video tag

css/glowingbear.css

@@ -320,6 +320,10 @@ div.embed img.embed {
     max-width: 100%;
 }
 
+video.embed {
+    max-width: 100%;
+}
+
 div.colourbox {
     display: inline-block;
     border-radius: 3px;

js/plugins.js

@@ -267,6 +267,15 @@ plugins.factory('userPlugins', function() {
         }
     });
 
+    /*
+     * mp4 video Preview
+     */
+    var videoPlugin = new UrlPlugin('video', function(url) {
+        if (url.match(/\.(mp4|webm|ogv)\b/i)) {
+            return '<video class="embed" width="560"><source src="'+url+'"></source></video>';
+        }
+    });
+
     /*
      * Cloud Music Embedded Players
      */
@@ -382,7 +391,7 @@ plugins.factory('userPlugins', function() {
     });
 
     return {
-        plugins: [youtubePlugin, dailymotionPlugin, allocinePlugin, imagePlugin, spotifyPlugin, cloudmusicPlugin, googlemapPlugin, asciinemaPlugin, yrPlugin, gistPlugin, tweetPlugin, vinePlugin]
+        plugins: [youtubePlugin, dailymotionPlugin, allocinePlugin, imagePlugin, videoPlugin, spotifyPlugin, cloudmusicPlugin, googlemapPlugin, asciinemaPlugin, yrPlugin, gistPlugin, tweetPlugin, vinePlugin]
     };