Fix issue with team-kill kick

According to the message, you are supposed to be restricted to the
independents team. However, it's not even letting the player join
that team. This fix makes it so that player is only kicked back into the
lobby if he tries to join bluefor or opfor.
Enabled jumping while crouch-running
Fixed UAV backpacks not being restored from save
Fixed random errors in fn_LSgetBuildingstospawnLoot.sqf
Automatically give batteries alongside laser designators
Fixed extra inventory magazines not being removed when selling weapon
Fixed batteries not being restored with saved laser designators
Fixed issue with flares being restored in double for some saved helis
Removed EngineOff actions now that the engineOn command is fixed
Eject corpses from vehicles
Misc. comments