Restyle LFG list invite dialog.
Move out garrison portrait API.
Restyle garrison alert frames.
Actually use the new follower portrait API.
Remove garrison report watermark.
Fix SetBD API frame level.
Restyle garrison monument UI.
Fix bonus objective progress bar (I think?).
Add API for reskinning icons.

Way overdue.
Restyle garrison building frame.
Restyle garrison building confirmation popup.
Restyle garrison building tutorial button.
Fix garrison follower button highlight.
8.1.1
Disable garrison mission start button animation.
Add return value to ReskinIcon API.
Restyle loot upgrade alert frame.
Merge remote-tracking branch 'upstream/master'