Add opps.core.tag app
Merge branch 'master' into new_tag_app
Add initial image tests
Add test_models on image test init
Add Tagged abstract model / change migrations / Tag model now is with
unique name / Container and Image now inherit from Tagged
fix articles tests
Fix channel ordering causing Infinite Loop error
Remove taggit from opps dependency
Change post_detail template tags context
Add tags app admin
Add condition on validate_slug for models that doenst have site field
Change Tag verbose name and validation error message from Slugged model
Change get_tags def
Remove repeated tags on save
Merge branch 'new_tag_app' of github.com:opps/opps
Add db index on field tag name
generate migrate add index and unique together (slug and name)