Update object pickup actions

- pre-compile object_BackpackAction, object_pickupAction and the actionMonitor
- switch from execVM to spawn
- pickup actions are grouped under actions\pickupActions now

SQF/dayz_code/actions/pickupActions/object_BackpackAction.sqf

@@ -0,0 +1,19 @@
+if (player isKindOf "PZombie_VB") exitWith {};
+
+private ["_holder", "_type", "_classname", "_actionSet", "_name"];
+
+_holder = _this select 0;
+_type = _this select 1;
+_classname = _this select 2;
+
+_name = getText (configFile >> _type >> _classname >> "displayName");
+
+if ((!isNil "_holder") and {(!isNull _holder)}) then {
+	_actionSet = _holder getVariable["actionSet", false];
+
+	if ((isNil "_actionSet") or {(!_actionSet)}) then {
+		s_player_holderPickup = _holder addAction [format [localize "str_init_take", _name], "\z\addons\dayz_code\actions\pickupActions\object_pickup.sqf",[_type,_classname,_holder], 20, true, true];
+		player reveal _holder;
+		_holder setVariable["actionSet", true];
+	};
+};