Fixes #744. Also adds android 3 support

Gruntfile.js

@@ -224,7 +224,7 @@ module.exports = function(grunt) {
           'safari 6',
           'ie 9',
           'bb 10',
-          'android 4'
+          'android 3'
         ]
       },
       prefixBuild: {

server/documents/modules/dimmer.html.eco

@@ -198,7 +198,7 @@ type        : 'UI Module'
     <p>You can display a dimmer by either invoking .dimmer('show') on a section or a dimmer itself. If you choose to dim a dimmable section, a dimmer will automatically be created.</p>
     <div class="ignore code">
     // these two are the same
-    $('.ui.dimmable)
+    $('.ui.dimmable')
       .dimmer('show')
     ;
     $('.ui.dimmable .dimmer')