Restyle garrison landing page (WIP).
Attempt to fix loot alert spec icon background.
Partially restyle garrison follower tab.
Restyle several garrison tooltips.
Make follower portraits faux-square.
Restyle follower info portrait frame.
Restyle most of the garrison mission UI.

Still WIP.
Restyle bonus objective header and progress bar.
Another garrison mission UI styling pass.
More garrison stuff.