Refactor #4151: Add properties for Action
	target
	originalTarget
	grid
Refactor #3878: Refactor orderOfArrival to arrivalOrder and make it public
Refactor #3878: Use set/getLocalZOrder instead of set/getZOrder and fix bugs
Merge pull request #1591 from pandamicro/develop-3.0

Refactor #4151: Add properties for Action