Profile Cover 2.0.0

IMPORTANT: Please disable add-on while uprading.

Notable Changes:

• Support XenForo 2.1.x only
• Support XenForo API
• Improvement cover upload flow

Notable Changes:

• Fixed some errors

Notable Changes:

• Fixed user avatar hidden in some cases.

Notable Changes:

• Fixed cannot reposition on mobile device.
• Improvement reposition feature.

Notable changes:

• Added rebuild to migrate cover from XenForo 1.5.x version to this add-on (The rebuild should be run one time to prevent duplicate covers)
• Fixed cover height for default too tall.

Notable Changes:

• Fixed default cover not show up.
• Added new option ability use high quality in gallery.

Notable Changes:

* Fixed cover did not show up.
* Fixed when choose new cover while deleting existing cover did not show up.
* Minor improvements.

Notable Changes:
* Support cover gallery
* Fixed javascript access error property
* Changed permission `Upload/modify cover by self` to `Maximum upload cover images`
* Moved option default cover image to style property.
* Added style property to show avatar into cover block.

* Fixed user can remove cover by anyone even did not have permission
* Fixed less parser error in some cases
* [New] Automatically remove cover when user did not have permission to upload. This feature can be turn off through option.

* Fixed cannot remove cover
* Fixed missing covers when upgrade to 1.0.1
* Fixed undefined callback error