Removed the unused import statements.
Updated the version number.
Updated the target SDK version to 19.
Moved the protected methods to follow coding style.
Changed to import data in the database to the json.
Merge branch 'master' of ssh://github/SumiTomohiko/SimpleMediaScanner
Changed to read/write a database in a storage.
Arranged the margin of list items.
Arranged the layout for performance.
Fixed the miss spell.
Changed the target Android version to 19.