Merge pull request #11 from SawadaShun/mikankari

楽曲解析系クラス追加。ターゲットAndroid APIを4.4.2に設定
Sort by 4 season
Fix bug that it can't play head of sorting list
Sort by 4 times
Merge pull request #14 from SawadaShun/sawada

Sawada
Sort by weather and place
Sort by 4 weathers and 4 places
Merge pull request #15 from SawadaShun/sawada

Sawada