issue #2143: Adding CCEditBox::getDelegate.
fixed #2143:  cc.ScrollView(TableView, EditBox).setDelegate(tmp object) causes crash.
Merge pull request #2763 from dumganhar/jsb-delegate-crash-master

fixed #2143: cc.ScrollView(TableView, EditBox).setDelegate(tmp object) causes crash.
Update cocos2dx_extension.ini
1.  change “bool isEnabled()”  to "bool isEnabled() const".
2.  dolete license.
Merge pull request #2767 from chengstory/master_Components#2

1.  change “bool isEnabled()”  to "bool isEnabled() const".
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x into pirates