Merge branch 'release/v0.3' into develop

* release/v0.3:
  Fixed the bug for showing reply
  Fixed timeago to properly render
  Change the command bar's placeholder after login
  Changed the profile pictures' ratio
  fixed the bug with notification and clearing command bar
Fixed the problem with initialization
Again, fixed the problem with notifications
Fixed the bug for posting multiple and empty messages
Once again, fixed notification issue ;-) :D (With Amir)
Implemented automatic login
Merge branch 'release/v0.4'

* release/v0.4:
  Implemented automatic login
  Once again, fixed notification issue ;-) :D (With Amir)
  Fixed the bug for posting multiple and empty messages
  Again, fixed the problem with notifications
  Fixed the problem with initialization
Rewrote the logic of notification
Merge branch 'hotfix/notification'

* hotfix/notification:
  Rewrote the logic of notification
Merge pull request #32 from mkhoeini/master

Rewrite of notification