keep macless static interfaces dns_enabled in migrations
Notify when failing to migrate a range without a network
include range id
might as well include range id for invalid ranges too
Merge branch 'allow_macless' into migration_dev
Merge branch 'notify_nonetwork' into migration_dev
add reverse soa during migrations
use lowercase names for domains
only need one SOA
Merge branch 'master' into migration_dev

Conflicts:
	cyder/management/commands/dns_migrate.py
Merge pull request #537 from murrown/migration_dev

Various migration fixes, migrations ran successfully, all tests pass. Merging.