Updated gemfile.
Changed bootstrap version for compatibility.
Replace Twitter Bootstrap by Zurb Foundation 4.0.

  + removed activeAdmin because it its not useful!
  + start layouting from scratch
  + new javascript engine: zepto instead of jquery (because it is
lightweight
Increase lectures per page

Currently you have to click too much, to find new courses.
Remove .rvmrc. Add Group model.
Enable localization
Add polymorphic tagging to groups.
Change background image.
Fix routing error for devise when no locale was set.
Create group scaffold.
Changed email address for support and help.
Change database name to auditorium_next to prevent issues in case of database migrations.
Add groups form to create and edit groups data:
+ add group type chooser
+ add tokeninput fields with jquery tokeninput
+ user can search and create multiple tags on demand
Add translations to tokeninput javascript. But it does not respond instantly.
Merge pull request #112 from Mic92/patch-1

Increase lectures per page
Changed style of token input fields.
Add creator to groups.
Add Question and Answer model as STI of Posts.
Add Announcement as STI post model.
Add comments polymorphic resource. Remove Active Admin.