closed #4990, Fix the error in cocos2d-console when rename files on windows.
Change Value::asBool() return false by default.
Merge pull request #6519 from natural-law/v3

Fix the error in cocos2d-console when rename files on windows.
Merge pull request #6520 from boyu0/set_value_asbool_return_false_default

Change Value::asBool() return false by default.