GetIn: Module,  fn_getInPosition.sqf: add force moveIn

Adds a optional code in AGM_CORE_fnc_getInPosition to allow a unit to be
forced into a vehicle even if it's hostile to them.  Ads module in GetIn
to control this (default off).
Cleanup
Cleanup
Code Formating
Merge pull request #1538 from PabstMirror/GetIn-Hostile

GetIn: Allow getting in 'hostile' vehicles (module)