ME: fixed wrong response error; changed the order of renderers to default to JSON
ME: return json format if format is not provided
ME: reverted back to initial changes; raise error when format is not json
Merge pull request #721 from onaio/636-chart-endpoint-returns-wrong-endpoint-via-curl

ME: fixed wrong response error; changed the order of renderers to default to JSON
UK: Project and ProjectXForm in logger
UK: migrate data from api_project to logger project
UK: add project field to xform
UK: change Project imports

Conflicts:
	onadata/libs/serializers/project_serializer.py
UK: remove api.Project and api.ProjectXForm
UK: update projectxform relation to px_xforms relation, create_default_project also sets the xform.project
UK: set project on xform publishing
UK: add project xform permission, reorder permissions
UK: set default project if project was not provided during form permissions
UK: use correct related name
UK: get user default project util function
UK: set project on xform publishing
UK: data entry role should not add projects
UK: remove the permissions on object before the next role
UK: use correct related name
UK: set project