Implement stinger (really sloppy implementation)

[git-p4: depot-paths = "//depot/main/": change = 74]

SwordNGun/Config/DefaultInput.ini

@@ -131,6 +131,7 @@ DoubleClickTime=0.200000
 +ActionMappings=(ActionName="UseGadget",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=Gamepad_LeftTrigger)
 +ActionMappings=(ActionName="CycleMeleeWeapon",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=Gamepad_LeftShoulder)
 +ActionMappings=(ActionName="CycleRangedWeapon",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=Gamepad_RightShoulder)
++ActionMappings=(ActionName="DashStab",bShift=False,bCtrl=False,bAlt=False,bCmd=False,Key=Z)
 +AxisMappings=(AxisName="MoveForward",Scale=1.000000,Key=W)
 +AxisMappings=(AxisName="MoveForward",Scale=-1.000000,Key=S)
 +AxisMappings=(AxisName="MoveRight",Scale=1.000000,Key=D)