Updates from itk-os2display

• Changed try/catch of FeedService to catch all exceptions.
• Fixed issue where shared channel was not serialized correctly, resulting in a blocked screen-timeline overview.
• Fixed behat features
• Added viewable_groups to apiData.
• Removed configuration call from base extension
• Added cron controll route. Reformatted code
• Fixed issue with slide template ikSlide.path variable.
• Fixed zencoder job naming.

Allow users to edit their own profile.

Merged PR: #5 allowing users to edit their own profile.