modified for follow/unfollow
Aligned with master
Corrected following operation. Added missing filtering of rating data
Fields for num of followers/raters
Differentiate CommunityData for Web and for domain
Differentiate community data for web and domain
Merge remote-tracking branch 'origin/playstore'

Conflicts:
	src/main/java/eu/trentorise/smartcampus/controller/SyncController.java