Added FlagResponse and FlagController
#13: Added missing services, updated flag controller
Implementing missing methods
Fixing tests
fixed Entity annotation import
#13: Fixed ClassNotFoundException for CourseStatus
Fixed MalformedParameterizedTypeException in FlagService lookups
fixed CourseProgressTest
fixed Entity annotations, added basic implementation of services, removed bad autowiring
Minor fixes in the quiz UI
Fixed FlagController, added unit tests, refactor externalId to callerId
Corrected FlagController json output, added missing methods, fixed tests