Fix "zombie" lie and tabs/spaces inconsistency in xml.
[Floater Flexibility] Part three and a half: Toolbar code cleanup, toolbar in mouselook option

Go into Preferences->Input and Camera, to find the new option~

Thanks to Cinder for checking that the mac changes build and look nice.
Latif's requested touch-ups for IM windows in concise mode.

Profile option for concise flyout.
Fix for ding in multi-user chats breaking button alignment.