issue #2143: Adding CCEditBox::getDelegate.
fixed #2143:  cc.ScrollView(TableView, EditBox).setDelegate(tmp object) causes crash.
Updating cocos2dx_extension.ini
Merge pull request #2766 from dumganhar/jsb-delegate-crash-develop

fixed #2143: cc.ScrollView(TableView, EditBox).setDelegate(tmp object) causes crash.