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
UK: apply migration only if we have table api_project
UK: update id sequences
UK: XForm unique by user id-string project
UK: test same form can be uploaded to two different projects in same account