issue #1425:  1.fixed some bugs in .lua file. like this:local b = a:copy():autorelease()
2.fixed bug of CCShakyTiles3D's create() in CCActionTilesGrid.pkg
3.delete method copyWithZone in .pkg files
Merge pull request #2059 from yuezang/iss1425-luatest

issue #1425: fixed bugs in lua testcase.