Re-name test method with same name as previous method.
Fix hardcoded course urls
Change email address detection in TinyMCE link plugin.
   If link contains "@" and ":", it is not considered an email address.
Add un-minified version of plugin.js file for link plugin.
Update build instructions to include media plugin.
Commit re-built minified JS.
Add all plugins to Jakefile.js in zip file.
Reason for this commit:
Split acceptance test was failing when TinyMCE detected a Split asset
key as an email address. Fix was to change email address detection.