階層表示サンプルをさらに追加
Merge branch 'level_20130624' of
https://github.com/mitsuyasu/AndroidDeveloperDemo into level_20130624

Conflicts:
	AndroidManifest.xml
	res/values/strings.xml
Merge pull request #2 from mitsuyasu/level_20130624

階層表示さらに追加