Return 400 response on login fail
Return 400 response on login fail

noahd1/opencfp,opencfp/opencfp,MidwestPHP/opencfp_mwphp15,DevOpsDaysChicago/opencfp,madisonphp/opencfp,phphants/opencfp,DragonBe/opencfp-azure,DevOpsDaysChicago/opencfp,Acidburn0zzz/opencfp,mdwheele/opencfp,brynary/opencfp,pmeth/opencfp,chrispecoraro/opencfp,sunshinephp/opencfp,PHPBenelux/opencfp,zymsys/opencfp,localheinz/opencfp,zhenqing/opencfp,OpenWestConference/opencfp,jugisahunk/200OK_CFP,OpenWestConference/opencfp,GrUSP/opencfp,xavierleune/cfp,localheinz/opencfp,zhenqing/opencfp,mdwheele/opencfp,MidwestPHP/opencfp_mwphp15,pmeth/opencfp,Acidburn0zzz/opencfp,noahd1/opencfp,monoku/opencfp,MidwestPHP/opencfp_mwphp15,zymsys/opencfp,monoku/opencfp,DragonBe/opencfp-azure,DallasPHP/opencfp,opencfp/opencfp,PHPmvd/phpday-cfp,GrUSP/opencfp,madisonphp/opencfp,PHPBenelux/opencfp,PHPBenelux/opencfp,OpenWestConference/opencfp,madisonphp/opencfp,jugisahunk/200OK_CFP,MidwestPHP/opencfp_mwphp15,monoku/opencfp,brynary/opencfp,DragonBe/opencfp-azure,phphants/opencfp,xavierleune/cfp,zhenqing/opencfp,brynary/opencfp,xavierleune/cfp,noahd1/opencfp,localheinz/opencfp,PHPBenelux/opencfp,DragonBe/opencfp-azure,DevOpsDaysChicago/opencfp,Acidburn0zzz/opencfp,GrUSP/opencfp,localheinz/opencfp,DallasPHP/opencfp,mdwheele/opencfp,phphants/opencfp,mdwheele/opencfp,PHPmvd/phpday-cfp,jugisahunk/200OK_CFP,monoku/opencfp,DallasPHP/opencfp,chrispecoraro/opencfp,pmeth/opencfp,OpenWestConference/opencfp,opencfp/opencfp,sunshinephp/opencfp,DragonBe/opencfp-azure,sunshinephp/opencfp,GrUSP/opencfp,zymsys/opencfp,phphants/opencfp