Updated the README to make installation and the setting of environment variables a little clearer
Updated the README to make installation and the setting of environment variables a little clearer

localheinz/opencfp,mdwheele/opencfp,MidwestPHP/opencfp_mwphp15,phphants/opencfp,OpenWestConference/opencfp,localheinz/opencfp,PHPBenelux/opencfp,OpenWestConference/opencfp,PHPBenelux/opencfp,mdwheele/opencfp,PHPBenelux/opencfp,monoku/opencfp,GrUSP/opencfp,mdwheele/opencfp,MidwestPHP/opencfp_mwphp15,monoku/opencfp,phphants/opencfp,localheinz/opencfp,GrUSP/opencfp,OpenWestConference/opencfp,GrUSP/opencfp,mdwheele/opencfp,phphants/opencfp,opencfp/opencfp,GrUSP/opencfp,MidwestPHP/opencfp_mwphp15,PHPBenelux/opencfp,opencfp/opencfp,opencfp/opencfp,localheinz/opencfp,phphants/opencfp,OpenWestConference/opencfp,MidwestPHP/opencfp_mwphp15,monoku/opencfp,monoku/opencfp