[JE, MS, PF] {sliding menu} Add Sliding menu, Sliding Working without ABS
[JE, MS, PF] {sliding menu} Add Sliding menu, Sliding Working without ABS
Merge branch 'Sliding_withoutABS' of https://github.com/DusanTrkulja/sw14_xp_02 into Sliding_withoutABS
[MS,AP,PF]{refactoring} Notification improvements
[MS,AP,PF]{bug} Number of new messages not updated
[MS,AP,PF]{refactoring} Cleanup
[MS,AP,PF]{coding} contact list/sliding menu
[JE, SB] {sliding menu} Layouting Action Bar
Merge branch 'Sliding_withoutABS' of https://github.com/DusanTrkulja/sw14_xp_02 into Sliding_withoutABS
[MS,AP,PF]{coding} grade build files added
[MS,AP,PF]{coding} refresh contact menu badges value
 [MS,AP,PF]{refactoring} Cleanup
[MS,AP,PF]{bug} Date was not shown correctly
[MS,AP,PF]{bug} Incorrect email insertion into database.
[MS,AP,PF]{coding} Changed  receiver to sender email
[MS,AP,PF]{coding} Class path changes
[MS,AP,PF]{bugfix} Empty messages should not be send.
[MS,AP,PF]{bugfix} Contact list should be refreshed on new messages
[MS,AP,PF]{refactoring} Wrong id changed
[MS,AP,PF]{bugfix} Own email addresses should not be added to the contact list.