Adding locking behaviour / starting robot test
Merge branch 'master' into issue_104_v20
Adding Locked NITF test
Working on test; Need to enable plone.app.lockingbehavior
Fix plone.app.lockingbehavior inclussion and work around failing test

See: http://stackoverflow.com/q/27430323/644075
Merge pull request #106 from collective/issue_104_v20

Issue 104 v20 - Add locking behaviour to collective.nitf type