Added pip requirements, and support for local settings.
Modified APIView and serializer creation to fit standard REST framework procedure (fixes POST/PUT bugs)
Added API test/database population script.
Removed pydev files from Git tracking
Manual merge of Adam's recent changes (avoiding nasty git conflicts)
Merge remote-tracking branch 'remotes/origin/master'

Conflicts:
	backend/api/serializers.py
	backend/entities/models/social.py