Add method to sort a list of data by their parent type
Update Obfuscation API and add utility methods for Context
Obfuscation updated for Context. API part is tested.
Obfuscation method for Context unit tested
Merge branch 'privacy-context_data' into development
Merge branch 'development' of github.com:societies/SOCIETIES-Platform into development
Add "service-control" parameter in the performance tester