Set text_enabled property to True.

Added text_enabled property on Video Plugin, so everybody can use it in
a TextPlugin.
Support Django 1.7 migrations
Merge pull request #5 from yakky/django_17_migrations

Support Django 1.7 migrations
Merge pull request #3 from nffdiogosilva/master

Set text_enabled property to True.
locales updated
version bump
Recreate migrations