Update README with new config options
Update README with new config options

glerchundi/confd,chendh521/confd,crandles/confd,crunchywelch/confd,gautamk/confd,fritzy/confd,cvrabie/confd,monder/confd,okushchenko/confd,philipsoutham/confd,RichardKnop/confd,elsonrodriguez/confd,alexnauda/confd,israelchen/confd,nevermosby/confd,danesparza/confd,danesparza/confd,shencan/confd,kelseyhightower/confd,karthequian/confd,rancher/confd,chendh521/confd,beni55/confd,openedbox/confd,glerchundi/renderizr,Fitbit/confd,kelseyhightower/confd,layerhq/confd,zytek/confd,tomdee/confd,Ropes/confd,Fitbit/confd,deis/confd,kgrvamsi/confd,deis/confd,Ropes/confd,blippar/confd,Flipkart/confd,cloudnautique/confd,elbidigital/confd,PrFalken/confd,layerhq/confd,linearregression/confd,monder/confd,elsonrodriguez/confd,Lineberty/confd,elbidigital/confd,Lineberty/confd,aledbf/confd,okushchenko/confd,glerchundi/confd,bacongobbler/confd,PrFalken/confd,beni55/confd,say5/confd,crunchywelch/confd,philipsoutham/confd,crandles/confd,rancher/confd,say5/confd,nevermosby/confd,zytek/confd,jnummelin/confd,jnummelin/confd,bacongobbler/confd,alexnauda/confd,kgrvamsi/confd,cloudnautique/confd,linearregression/confd,shencan/confd,blippar/confd,aledbf/confd,israelchen/confd,Flipkart/confd,mboersma/confd,axingblog/confd,mboersma/confd,Flipkart/confd,axingblog/confd,RichardKnop/confd,cvrabie/confd,fritzy/confd,tomdee/confd,agilemobiledev/confd,glerchundi/renderizr,karthequian/confd,openedbox/confd,agilemobiledev/confd,gautamk/confd