fixed opFormItemGenerator::generateValidator() to check option values (fixes #1449)
fixed opFormItemGenerator::generateValidator() to check option values (fixes #1449)

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