Extract PublishEventMixin to xblock-utils
Extract SeleniumBaseTest to xblock-utils
Use xblockutils in utils.py
Have all resource loading go trough utils.loader instance
Fix unittests after rebase
Rename publish_event_from_python to publish_event_from_dict
Use staticmethod to test if xml content has default value
Merge pull request #87 from open-craft/dragonfi/extract-to-xblock-utils

Extract common functionality to xblock-utils