Incremented version number for the next iteration
Added View#isInEditMode. should fix #30
Updated gradle and gradle plugin
Added sdk manager plugin.
Merge branch 'sdk-manager-plugin' into dev

Conflicts:
	build.gradle
Fixed progressiveStop: no longer wait the end of the current section
By beerware, welcome apache2. No more beers for me :(
Removed useless bitdeli badge
Added gradient yolo option
Fixed bug when gradients used with non-mirror reversed mode
Incremented version code / number
Added change log 0.5.1
Merge branch 'master' of https://github.com/castorflex/SmoothProgressBar

# By Antoine Merle
# Via Antoine Merle
* 'master' of https://github.com/castorflex/SmoothProgressBar:
  Added change log 0.5.1
  Incremented version code / number
  Fixed bug when gradients used with non-mirror reversed mode
  Added gradient yolo option
  Removed useless bitdeli badge
  By beerware, welcome apache2. No more beers for me :(
  Fixed progressiveStop: no longer wait the end of the current section
  Added sdk manager plugin.
  Updated gradle and gradle plugin
  Added View#isInEditMode. should fix #30
  Incremented version number for the next iteration