* Lowered default sound volume
* Added VIP display in the stats view
* Fixed some remaining squished-dialog issues
* Added hover-text to XP bar to explain why it counts down
* Fixed persistent sign-in error after server resets
* Fixed chat window to not open multiple copies
* Chat window now remembers where you last put it
* fixed glitch with split chat pane disappearing
* fixed Alt-TAB back to app losing input focus

This branch also includes a change that I hope will make the Steam Overlay more cooperative, but it is untested. All this stuff is untested, which is why it's on the developer branch.