Typo
Fix group fields parameters validation
Move validator to dedicated module
Consistent signatures for fields definition creations
Rename acl module to permissions
Rename permissions
Rename variables and constants
Fix PEP8 after massive sed
Validate groups fields at model level (fixes #192)
Merge pull request #194 from spiral-project/get_rid_acls

Rename ACL to permission
Merge pull request #193 from spiral-project/192_group_field_tests

Fix group field validation (fixes #192)
Add GET /models endpoint.
Fix definition list.
On GET /models return the list of models with title and description
Fix typo
Don't return directly a list.
A piece of doc.
Use couchdb keys to filter the view
enhance documentation