Significantly improved a speed of requests for Product API
Removed repeated requests for users social profiles
Fixed updating profile for person
Refactored address object
Refactored event invoices
Refactored facilitator ids in events
Improved Facilitators and People API
Final stroke on the speed of event page rendering
Refactored organisation membership retrieval
Commented DEBUG parameter for Slick queries
Refactoring after code review
Merge pull request #146 from HappyMelly/refactoring_for_speed_improvement

Refactoring for speed improvement