----------------
- Some fixes
[sgeulette, mpeeters]
- Updated tests
[mpeeters]
- Added field edit handler
[sgeulette]
- Set more restrictive matching to find principal
[sgeulette]
- Changed the way to get the object schema
[sgeulette]
- Use zope.schema FieldEventUpdated event to apply local role changes
[jfroche]
- Move tests in a test folder
[jfroche]
- Use zope.schemaevent to subscribe to field update event
[jfroche]
- Move interfaces to one module
[jfroche]
- Move LocalRolesToPrincipals field to its own module
[jfroche]
- Use buildout 2
[jfroche]