merged latest lwf (interactive for button.addEventHandler, mask support in webgl).
modified test-html5.js.

* hide address bars on android/ios.
* setFrameRate only if key DOWN/UP/0.
merged latest lwf.

* update copyright.
* add trace() for embedded JavaScript.
* setFrameRate calls setFrameRate of attached LWFs.
* add requestCalculateBounds() and getBounds().
* fix about tween.stop().
introduced support for nested folders (experimental) and added logger.
added some support/patch for android 2.1, etc.
updated auto-reloader.js.
added -i option to ignore warnings about unsupported AS commands.
updated lwf (_rgba_ and _add_, fix for event handlers, mask, countermeasure for android 4.0.x's bug, etc).
added tmpl/js/top-index.js.