Fixed #5764: Fix manual conversion bug that convert empty string to NULL
Update submodules
Fixed #5766: Add native check to secure jsb functions usage
Fixed #5769: Fix CCControler link issue for js-tests and improve some build settings for templates
Feature #5765: Add create_js_root_obj util function for adding a named root object
Fixed #5765: Bind console.log function for force logs
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js
Issue #5570: Reactive UILayout relative test case
Merge pull request #630 from pandamicro/master

Bug fixes and bind console.log