AGM_Interaction: Removed duplicate forward declarations from CfgVehicles
Added forward declaration of AGM_SelfActions to Car and Tank
Forward declaration of AGM_SelfActions in Helicopter class
Merge pull request #690 from esteldunedain/removeDuplicateEntriesInteraction

AGM_Interaction: Removed duplicate entries from CfgVehicles
Fixed the incorrect rotation being applied when attaching an object.
Merge pull request #702 from CorruptedHeart/ExplosiveAttachFix

Fixed the incorrect rotation being applied when attaching an object.