Updated project to latest android version.
Replacing AsyncTasks by Threads where possible and hunting down
redundant thread creation for image fetching etc.

=> Improved offline performance. Added a line that refreshes chat
history also for closed chats when there is recieved a new message.
Reworked design of the chat.
Added mini profile pictures instead of names.
Updated Login to be less buggy.
Creation of Conversations now with less overhead.
Tried to fix hardSize for images.
Fixed resolution issues.

ConversationView profile pictures scale now correctly.

Removed autoscaling from local resource manager.