Merge pull request #275 from anilgooru/dev-branch

Handled Null pointer exception.
"Added the success popup for ratings"
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
Merge pull request #276 from suryanarayanakb/dev-branch

Added the success popup for ratings
Updated CSS for stars..
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/play/resource/body/ratings.css