Controllers: renamed mainActivety, added pakage for controllers
[Project] Revert renamed activity
Merge remote-tracking branch 'origin/master' into Controllers

Conflicts:
	src/by/bsu/goals/activity/MainActivity.java
[Project] Merge master to controller. Rename controller.
[Logic] Add useful method to goal logic.
[Goal Info] Add simple layout.
[DB] [Goal info] Fix wrong write in db. Show steps list.
[Goal info] Use  simple list item.
[Goal info] Add goal info controller. Wrap field in goal.
[Goal info] Add possibility view step info.
[Goal info] Add possibility return to parent goal.
[Logic] Fix NPE.
[Goal info] Add action bar)
[Goal info] Fix setting current goal on view start.
[Launcher]  Introduce simple app state.
[Logic]  Instantiate dao in logic.
[Project]  New icon and name)
[Side menu]  Add simple side menu
Goals_info: added functionality for changing  finish and start date
Goal_info: merge by Sergey