Fix instance variable names
Fix instance variable names

mdwheele/opencfp,noahd1/opencfp,PHPBenelux/opencfp,DallasPHP/opencfp,phphants/opencfp,PHPBenelux/opencfp,brynary/opencfp,monoku/opencfp,DevOpsDaysChicago/opencfp,GrUSP/opencfp,mdwheele/opencfp,jugisahunk/200OK_CFP,localheinz/opencfp,MidwestPHP/opencfp_mwphp15,pmeth/opencfp,monoku/opencfp,DevOpsDaysChicago/opencfp,monoku/opencfp,DevOpsDaysChicago/opencfp,Acidburn0zzz/opencfp,noahd1/opencfp,localheinz/opencfp,monoku/opencfp,mdwheele/opencfp,localheinz/opencfp,brynary/opencfp,MidwestPHP/opencfp_mwphp15,PHPBenelux/opencfp,phphants/opencfp,opencfp/opencfp,sunshinephp/opencfp,GrUSP/opencfp,sunshinephp/opencfp,noahd1/opencfp,MidwestPHP/opencfp_mwphp15,phphants/opencfp,GrUSP/opencfp,OpenWestConference/opencfp,MidwestPHP/opencfp_mwphp15,DallasPHP/opencfp,OpenWestConference/opencfp,OpenWestConference/opencfp,DallasPHP/opencfp,mdwheele/opencfp,opencfp/opencfp,brynary/opencfp,opencfp/opencfp,phphants/opencfp,OpenWestConference/opencfp,localheinz/opencfp,pmeth/opencfp,PHPBenelux/opencfp,Acidburn0zzz/opencfp,jugisahunk/200OK_CFP,Acidburn0zzz/opencfp,pmeth/opencfp,GrUSP/opencfp,sunshinephp/opencfp,jugisahunk/200OK_CFP