Started working on admin context menu. now seem to work in threads adapter
Merge branch 'master' of github.com:Hyperactivity/android-app

* 'master' of github.com:Hyperactivity/android-app:
  Fixed equals methods
  changed the ratio between height and width for the buttons in the code
  added images for the buttons in the nav menu
  Added back button functionality
  Activated navigation menu button when visiting chat fragment