Remove content from course page functionality added.

Also fixed the BOOM! it broke issue when you submit the addMyContent
modal without selecting anything.
Update UI for visibility/shareability
Also consolidate handling of vis/share changes into the normal settings update methods on the server. Still need to rework the actual underlying storage.
Track multiple save locations.

Addresses #300
Basic data access to enable setting save location.
Allow tracking multiple save locations.

Closes #300
Allows user to delete copies of same content in Course
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Merge branch 'verdu' into develop
Cleaning Quizlet Exportation Terms
Fullscreen Fix

Cannot call Resize event because that checks to see if it is full
screen.
Fixup for identifying captionaider save locations.
Separate Track Activation from Track Loading
API Update in the transcript player
Fix saving files to disk.
Remove Missing Save Button in Configuration
Fix generated JS on permissions admin page.
And make the permission approval actually work.
Actually fixed Safari fullscreen

The problem with safari was something with the exitfullscreen event.
Fix "Bad Request"s in admin controller.
Fixing Content Conf Radio Buttons

They were always starting at 1 because visibility and shareability were
not in content.settings