fixed mail-posting configure example in OpenPNE_Setup_Guide is wrong (fixes #908)
fixed mail-posting configure example in OpenPNE_Setup_Guide is wrong (fixes #908)

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