通知時にサウンド再生
通知時の画像をローカルファイルから選択可能に
スクリーンショットをポップアップから実行するように実装
ついでにLAUNCH APPが失敗するのも修正（されたはず）
Simplify UI Design
Change Initialize Logic for Config and Tracking
Capsulize Fs methods
Merge pull request #1 from otiai10/feature/notification-sound

Feature/notification sound
Merge pull request #88 from about518/feature/notification-sound

Feature/notification sound
Merge pull request #90 from about518/feature/screen-shot

Feature/screen shot
fix bug : close reminder set popup if notification off
squash 2files : js/pages/util.js and js/definitions/Util.js to js/Util.js
move referenct : _presentation to Util.presentation
Capsulize Util Methods
refactor : Use already existing method... :(
Do not use word `chrome` in callback of background.js
Merge pull request #92 from otiai10/refactor

Refactor
improve UI : show screen shot only when there is WidgetWindow
improve UI
add config checkbox about screenshot
Merge pull request #93 from otiai10/feature/improve-ui-about-screenshot

improve ui about screenshot