Use FormInterface instead of Form
Merge pull request #3522 branch 'hotfix/remove-blank-line'
Merge pull request #2 from zendframework/master

Update
Merge pull request #3538 from texdc/master

ElementPrepareAwareInterface should use FormInterface
Fix for recent interface change to ElementPrepareAwareInterface
Merge pull request #3548 from cgmartin/fix/prepare-interface

[develop] Fix for fatal errors from ElementPrepareAwareInterface change
Add RoleInterface