Enabled installing on external memory, version bump, other stuff
Changed news title typeface
changed title, added condensed title of compose button
Added feedback for users, deaktivated unimplemented stuff
Moved API endpoints into a static xml file
Added check for device connectivity status, rearranged the sign in process a little, added more comments
Show the correct user image in the message list, changed endpoints to the xml file, moved deletion, sending, marking as read to volley, bug fixes in listview and detailview
fixed possible nullpointer exceptions
rearranged the fragment instantiation
swapped to the new enpoints location
fixed bugs
added new course for global news, added routes to the provider
added the saving of the course students in the db, added lazy loading the student profiles in the attendees list
fixed wrong date for events
rearranged the preftetch process
fixed the exception that happens somtimes after a download finished and the activity was saved
Fixed a comment
Changed VolleyHttp to thread save singleton to prevent crashes duo to wrong initialization
Fixed possible crashes on logout duo to the db deletion
rearranged fragment initialisation to prevent nullpointer executions, other fix