Move image object creation into a method for easier subclassing.
Merge pull request #88 from isaacgrant/video-scubber-subclassing

Move image object creation into a method for easier subclassing.
Wrap the button in a span
I've tested this in EM:RAP and it still works as before
Merge pull request #89 from nburka/account-sessions-button-container

Wrap the button in a span
Add title field to admin attachment upload.

It is required in the database.
prepare for release of 2.1.17 | package party
Merge pull request #90 from gauthierm/attachment-admin-fixes

Add title field to admin attachment upload.
prepare for release of 2.1.18 | package party