Initial commit of extracted widget from one my previous project.
Removed helpers.
Renamed onDraw methods to solve lint warnings.
Improved drawing of grid lines.
Fixed other small bugs.
Removed selectDate method to prevent mess.
Improved setDate method to hanlde selecting of date.
Added method to update cells manually.
Added inactive background for days which are not from active month.
Overrided setDate method. Added animation param.
Improved update days cells: wrapped this task into async task with progress showing.
Fixed issue: animation ignore animate param if years was different.
Improved drawing of selected day cell.
Improved OnSwipeTouchListener.
Updated gradle's file.
Changed target to 4.4 (API 19).
Updated gradle.
Updated Android Studio to 0.6.0.
Updated Android Studio to 0.8.0
- updated build.gradle;
- put in order folder structure of sources, used src/{buildType} approach;
Merge branch 'develop'

Conflicts:
	.gitignore