Change the quote character of argument string of grep, from single to double.
Change the quote character of argument string of grep, from single to double.

Because single quote doesn't work correctly with escaped single quote in the argument string.
(I don't know why)

hokkai7go/serverspec,flozano/serverspec,inokappa/serverspec,hanazuki/serverspec,kentaro/serverspec,benr/serverspec,cl-lab-k/serverspec,dhoer/serverspec,raphink/serverspec,aschmidt75/serverspec,smontanari/serverspec,mizzy/serverspec,cosmo0920/serverspec,tkuchiki/serverspec,matsuu/serverspec,darron/serverspec,ryotarai/serverspec,elibus/serverspec,tatsuyafw/serverspec,minimum2scp/serverspec,catatsuy/serverspec,TakatoshiMaeda/serverspec,pfaffle/serverspec,naoya/serverspec,kitak/serverspec,ihassin/serverspec,takai/serverspec,sergueik/serverspec,ShawInnes/serverspec,mekf/serverspec,ijin/serverspec,supertylerc/serverspec,yono/serverspec,linyows/serverspec,darklore/serverspec,higanworks/serverspec,shatano/serverspec,studio3104/serverspec,vincentbernat/serverspec,matsumana/serverspec,presto53/serverspec,ttakamura/serverspec,zakkie/serverspec,treydock/serverspec,pmorton/serverspec,Plus81/serverspec,tagomoris/serverspec,fujiwara/serverspec,pmenglund/serverspec,podenski/serverspec,aibou/serverspec,matsuo/serverspec,stephenrjohnson/serverspec,bitglue/serverspec,DarrellMozingo/serverspec,sho-h/serverspec,RoboticCheese/serverspec,netmarkjp/serverspec,uroesch/serverspec,danshultz/serverspec,gongo/serverspec,doc75/serverspec,kui/serverspec,tmtk75/serverspec,morika-t/serverspec,hunner/serverspec,elmundio87/serverspec,cs-travis/serverspec,3100/serverspec,nishigori/serverspec,naga2raja/serverspec,punkle/serverspec,serverspec/serverspec,muddydixon/serverspec,orangain/serverspec,tacahilo/serverspec,a3no/serverspec,k1LoW/serverspec,youpy/serverspec