Removed zip import
before_create only sets if not already set
Try to pass file properties directly
Removed before hook from media_entry_incomplete
Removed more hooks
Fixed syntax error in import controller
Refactored media_file factory
Some adjustments in import controller
Minor simplification
ImportController: wrap creation in transaction
ImportController fix syntax
Create factory for media_file_for_image ...
Finished basic factories and fixed import/zencoder_job controller spec
Adding previews with images to media_file image factory