issue #2521: Updating comments where searchs full path.
issue #2521: Capture event of ControlButton in CCB for JSB.
issue #2521: Fixing a logical error in CCBReader::addOwnerOutletNode. 'NULL  != node' --> 'NULL == node'.
issue #2521: Removing an unused method ControlStepper::setValue(double value, bool send); since it's not implemented and there is an similar method 'setValueWithSendingEvent' could replace it.
issue #2521: TestJavascript needs ccbreader support.
issue #2521: Adding 'cc.convertColor3BtoHexString' in jsb_cocos2d.js.
issue #2521: Updating tojs/cocos2dx_extension.ini, bind more CCControls.
issue #2521: Reporting an error when the callback function is undefined in 'js_cocos2dx_setCallback'.
closed #2521: Updating jsb_cocosbuilder.js, it supports CCControl now.
issue #2521: Updating JS-Test.
Merge pull request #3413 from dumganhar/iss2521-js-ccb-owner

Adding more ExtensionTest like CocosBuilderTest and ControlButtonTest and bug fix in CCBReader.