Merge pull request #241 from goldrush/develop

リリース
Merge pull request #250 from goldrush/develop

2013.08.08 リリース
Merge pull request #265 from goldrush/develop

リリース2013.08.14
Merge pull request #267 from goldrush/develop

20130814リリース追加分（指摘修正）
Merge https://github.com/goldrush/goldrush into develop
Merge branch 'develop' of https://github.com/goldrush/goldrush into develop
取り込みメールの重複対策にプロセス間の同期を入れた
Merge pull request #274 from qtamaki/develop

Develop