Group admin panel
Merge branch 'master' of github.com:ippontech/tatami

* 'master' of github.com:ippontech/tatami: (39 commits)
  1st version with limitations by domain (for storage size by user)
  Moved methods
  corrected bug : typeahead was not working on the status textarea
  Added pagination to attachement list
  Replace Pagedown with marked for markdown preview
  Refactored the "follow button"
  Add click event files upload
  Markdown preview for reply editor
  Hide update status button on page show
  Add i18n support to editor tabs labels
  First working implementation of a two-tab editor with preview
  Firt implementation of a two pane preview for status editor
  Remove Pagedown Markdown Editor
  Add pagedown javascript resources
  Started working on the file admin interface
  Corrected #243
  Corrected #270
  Corrected errors when the feed is removed
  Reformatting
  Renamed the author
  ...