Various bug fixes and additions.
- Added: Player assist rewards. Assisting players now get .25% of gold and experience if they are in same room
- Added: 30 second timer to Vendor UIs so they never get stuck open
- Added: 30 second timer to Reward Selection UI so they never get stuck open
- Fixed: Room 9 Phase 3 completion bug
- Fixed: Drones no longer cause lag
- Fixed: Bosses now correctly reward gold and LVLs