1.1.3 Bug-fix update

Hey everyone! We're still working away at our big update to come out soon but we thought it'd be good to get this bug-fix-release out earlier. Here's what's new:

• Fixed a glitch that would make all the parts explode if you engaged the Steam Overlay in play-mode
  
• Fixed the bug that would have joints falling apart on their own after making ground-penetrating-edits. This was a tough one to track down!
  
• Added tutorials for some of the shortcut gestures and sticky-balls.
  
• Another audio pass, added a few sounds and tweaked some old ones.
  
• Added support for some classes of webcams that use RGB24 format instead of MJPG (some older Logitechs)