Merge branch 'hotfix/20140528-adslot'
youtubeのサムネイルの許可を修正
Merge branch 'hotfix/20140528-youtubeimg'
Merge branch 'hotfix/20140528-youtubeimg' into develop
youtubeのサムネイル再修正
Merge branch 'hotfix/20140528-youtubeimg2' into develop