Return both objects and meta of MTVC responses in all MTVC list methods
Merge branch 'develop' into feature/pn-271-provide-pagination-for-videos-pages

Conflicts:
	mtvc_client/client.py
Moved django-dependant modules to libs/django, added utility methods with support for caching and pagination, changed URLs for channel and clip lists, added urls and views for clip categories and details, cleaned up views, implemented new utility methods in views
Added generic results paginator, added paginator to template context for all list views
Fixed cache keys for paged results