modified ogp.
Fixed bug of date header.
Delete old images.
CSSを外部化。サムネイル無しの時の処理を改善。
rename.
fixed less bug.
add jquery-ga-outbound.
changed indent size, compressed css.
jquery-ga-outbound の適用範囲を広げた。
Merge branch 'dev_20140106' into staging
Merge branch 'staging'