Make addition of modification restrictions optional.
Merge remote-tracking branch 'adam/7.x-constants' into 7.x-make-modify-optional
Add additional permissions to check on.
Couple little adjustments for Travis...

... Make sure the api .module gets scanned... And the regex for branches.
Merge branch '7.x' of github.com:Islandora/islandora_xacml_editor into 7.x-make-modify-optional
Fix evaluation of bubbling.
Slightly more general...

...  In case somebody changes the implementation of
hook_islandora_object_access() to return an array at some point.
Merge pull request #62 from adam-vessey/7.x-make-modify-optional

Make creation of policy for modification optional...