Add an ability to run engine without IPC connection.
It requires two parameters:
1) ful path to share/hedgewars/Data
2) full path to record file (hwd_24 or hws_24)
de
bug #0.txt will be created it path passed in 1st param
- Clear gm_Slot flag even if you can't switch ammo:
Fixes engine slowdown when trying to switch ammo while firing bazooka