Initial migration of cybind from mozdns
General fixes for cybind
adding display mixin to models
maintain migration adds views to records
Remove CNAME loops from migration
Added enabled field to MX records

Use MX enabled field for builds
migrate enabled fields for some dns objects
Migration scripts satisfy pep8 check
cybind satisfies pep8 check
DNS models pass check.py
adding display mixin to models
Merge branch 'dnsbuilds' of github.com:ngokevin/chili into dnsbuilds

Conflicts:
	cyder/cydns/cname/models.py