Documentation/dev-guide: add bash syntax to doc
Documentation/dev-guide: add bash syntax to doc

bluebreezecf/etcd,hongchaodeng/etcd,visheshnp/etcd,whuwxl/etcd,mkumatag/etcd,sebrandon1/etcd,joshix/etcd,armstrongli/etcd,plasticbox/etcd,rnaveiras/etcd,fanminshi/etcd,insequent/etcd,whuwxl/etcd,gyuho/etcd,armstrongli/etcd,fanminshi/etcd,glevand/coreos--etcd,heyitsanthony/etcd,lumjjb/etcd,YuleiXiao/etcd,mickep76/etcd,dannysauer/etcd,mkumatag/etcd,linuxcer/etcd,gyuho/etcd,rnaveiras/etcd,joshix/etcd,plasticbox/etcd,lumjjb/etcd,jonboulle/etcd,nekto0n/etcd,linuxcer/etcd,rchicoli/etcd,bdarnell/etcd,jonboulle/etcd,ravigadde/etcd,akauppi/etcd,qqsun8819/etcd,purpleidea/etcd,cockroachdb/etcd,jlamillan/etcd,sinsharat/etcd,sebrandon1/etcd,etcd-io/etcd,tguangch/etcd,mkumatag/etcd,ajityagaty/etcd,zaphod-concur/etcd,OyTao/etcd_learning,xiang90/etcd,glycerine/etcd,xiang90/etcd,bluebreezecf/etcd,li-ang/etcd,glevand/coreos--etcd,rnaveiras/etcd,yudai/etcd,CrazyJvm/etcd,rchicoli/etcd,purpleidea/etcd,nekto0n/etcd,akauppi/etcd,ktateish/etcd,glycerine/etcd,zaphod-concur/etcd,etcd-io/etcd,lorneli/etcd,ajityagaty/etcd,coreos/etcd,endocode/etcd,sinsharat/etcd,a-robinson/etcd,mqliang/etcd,luxas/etcd,endocode/etcd,mqliang/etcd,vimalk78/etcd,mqliang/etcd,YuleiXiao/etcd,visheshnp/etcd,jlamillan/etcd,handsomesun/etcd,li-ang/etcd,ktateish/etcd,bdarnell/etcd,handsomesun/etcd,qqsun8819/etcd,coreos/etcd,etcd-io/etcd,ravigadde/etcd,dannysauer/etcd,yudai/etcd,vimalk78/etcd,a-robinson/etcd,luxas/etcd,tguangch/etcd,heyitsanthony/etcd,lorneli/etcd,CrazyJvm/etcd,ajityagaty/etcd,insequent/etcd,hongchaodeng/etcd,cockroachdb/etcd,mickep76/etcd,OyTao/etcd_learning