CC-5450 : Refactor Media Management

implemented create/moved/delete for media monitor actions.
CC-5450 : Refactor Media Management

implemented deleting a watched dir media monitor request.
adding media_id to cc_show_instances table for uploading a recorded file.
CC-5450 : Refactor Media Management

forgot namespace import
Merge branch '2.6.x' of git://github.com/sourcefabric/Airtime into 2.6.x
Unpack the pybundle so we can modify/update it