Version 2.13 released

Better implementation if you join a game by Steam invite
Fixed a bug which would prevent you from finishing a game if any player earned to many point units
Fixes to levels and colliders
Fixed flickering UI in scoring game phase
Kick any parties with zero players when match starts
Prevent players from leaving the lobby scene if there is only on player instance left
Improved fog in levels so it better works with item placement phase
Changed gameobject layers, so they are grayed out during item placement phase
Improved player splitscreen ui so it doesn't scale weird
Fixed some respawn point positions in reverse level variants