Added layout dimentions.
Standaridzed margins and text sizes.
Standarized colors
Made more strings translateable
adds intent to get audio/image/video/files when the send file button is pressed
+receive the data on main_activity, figure out the selected file and its type
Merge of master Astonex/Antox
prototype message with picture/audio
+icons for play/pause audio
make friend request notification actually remove itself on tap
remove another chance of nullpointerexception
Fixed unread message counter not resetting
Added delivery receipts, 1 tick displayed for successfully sent, two for successfully received, and prettified timestamps
Fixed bug in chat message row layout
Fixed alignment bug
Fixed merge conflicts
Fix merge conflict
Merge pull request #168 from dethstar/master

adds intent to get audio/image/video/files on longClick send file action
Italian translation: update

Sync'ed with 5a0a2cb70c86f8a8ae9e8c182d513f7265d0bb2d
Merge pull request #170 from Ansa89/patch-1

Italian translation: update
merged with latest upstream