Use new ArmA 3 command to clear backpack cargo
Helmets and Goggles are already"AssignedItems"
No need to add backpacks using "_add" function
Formatted code, easier to read
"this" doesn't mean anything, cleanup of muzzle selection
Revert ""this" doesn't mean anything, cleanup of muzzle selection"

This reverts commit 9856df231a11de3ca8c6d32f44ed8fc6dda358e5.
Merge pull request #1 from WillWaywell/master

Various tweaks