added some "required_rules" (refs #237)
added some "required_rules" (refs #237)

upsilon/OpenPNE3,C-nakajima/OpenPNE3,openpne/OpenPNE3,tejima/testravis,ShinichiU/OpenPNE3,isaosano/OpenPNE3,C-nakajima/OpenPNE3,ShinichiU/AuthFramework,ShinichiU/OpenPNE3,ShinichiU/OpenPNE3,tejimaya/OpenPNE3,nishizoe/OpenPNE3,balibali/KakiageSNS,openpne/OpenPNE3,openpne/OpenPNE3,isaosano/OpenPNE3,ShinichiU/AuthFramework,ShinichiU/OpenPNE3_with_webInstaller,upsilon/travis-test,tejima/OP3PKG,kashiwasan/symfony-advanced,C-nakajima/OpenPNE3,tejimaya/OpenPNE3,tejima/OP3PKG,openpne/OpenPNE3,tejima/testravis,isaosano/OpenPNE3,ShinichiU/OpenPNE3,upsilon/OpenPNE3,nise-nabe/ppcon-sns,nishizoe/OpenPNE3,nise-nabe/ppcon-sns,tejima/testravis,ShinichiU/AuthFramework,balibali/KakiageSNS,upsilon/travis-test,kashiwasan/symfony-advanced,ShinichiU/OpenPNE3_with_webInstaller,isaosano/OpenPNE3,C-nakajima/OpenPNE3