WIP
Merge branch 'master' into 85383-case
WIP
Merge branch 'master' into 85383-case

Conflicts:
	corehq/apps/commtrack/models.py
Added 'program-based filtering' in CommTrack
Merge branch 'master' into 85383-case
removed unnecessary code
Merge branch 'master' into 85383-case
Removed debugging lines and cleared the code
Merge branch 'master' into 85383-case
Code refactoring - merged duplicated code
Merge branch 'master' into 85383-case

Conflicts:
	corehq/apps/reports/commtrack/data_sources.py
	corehq/apps/reports/commtrack/standard.py
Added save button to restriction option
Merge pull request #2094 from lwyszomi/85383-case

Added 'program-based filtering' in CommTrack