closed #3579: TestLua->BugsTest->bug914 crashes if clicking 'reset' button all the time.
closed #3579: Bug fix in setTouchEnabledForLayer for luabindings.
Also fixed lua module error.
closed #3579: Bug fix in setTouchEnabledForLayer for jsbindings.
Merge pull request #4852 from dumganhar/iss3579-lua-bugtest914-crash

closed #3579: TestLua->BugsTest->bug914 crashes if clicking 'reset' button all the time.