Show a sensible error when an unknown service name is given to 'run'
Show a sensible error when an unknown service name is given to 'run'

londoncalling/docker.github.io,schmunk42/compose,alunduil/fig,xydinesh/compose,andrewgee/compose,hoogenm/compose,jzwlqx/denverdino.github.io,RobertNorthard/compose,bdwill/docker.github.io,BSWANG/denverdino.github.io,docker/docker.github.io,josephpage/compose,gdevillele/docker.github.io,swoopla/compose,dilgerma/compose,mark-adams/compose,pspierce/compose,ggtools/compose,mnowster/compose,rstacruz/compose,zhangspook/compose,viranch/compose,jzwlqx/denverdino.github.io,danix800/docker.github.io,tangkun75/compose,nhumrich/compose,mindaugasrukas/compose,alexandrev/compose,LuisBosquez/docker.github.io,swoopla/compose,pspierce/compose,screwgoth/compose,jgrowl/compose,talolard/compose,ZJaffee/compose,runcom/compose,aduermael/docker.github.io,qzio/compose,docker-zh/docker.github.io,au-phiware/compose,jeanpralo/compose,funkyfuture/docker-compose,sdurrheimer/compose,joaofnfernandes/docker.github.io,runcom/compose,docker-zh/docker.github.io,bsmr-docker/compose,bobphill/compose,londoncalling/docker.github.io,TomasTomecek/compose,aduermael/docker.github.io,noironetworks/compose,goloveychuk/compose,josephpage/compose,johnstep/docker.github.io,jzwlqx/denverdino.github.io,thaJeztah/docker.github.io,VinceBarresi/compose,thieman/compose,iamluc/compose,KalleDK/compose,jrabbit/compose,jonaseck2/compose,Dakno/compose,rgbkrk/compose,denverdino/denverdino.github.io,tpounds/compose,dopry/compose,ralphtheninja/compose,MSakamaki/compose,shin-/compose,TheDataShed/compose,genki/compose,bcicen/fig,glogiotatidis/compose,anweiss/docker.github.io,vlajos/compose,troy0820/docker.github.io,feelobot/compose,bdwill/docker.github.io,KalleDK/compose,menglingwei/denverdino.github.io,denverdino/docker.github.io,joeuo/docker.github.io,philwrenn/compose,bcicen/fig,ouziel-slama/compose,mdaue/compose,ralphtheninja/compose,dnephin/compose,johnstep/docker.github.io,albers/compose,menglingwei/denverdino.github.io,Yelp/docker-compose,mrfuxi/compose,charleswhchan/compose,JimGalasyn/docker.github.io,dnephin/compose,philwrenn/compose,jonaseck2/compose,dockerhn/compose,lmesz/compose,saada/compose,ain/compose,BSWANG/denverdino.github.io,alexisbellido/docker.github.io,alexisbellido/docker.github.io,jiekechoo/compose,au-phiware/compose,j-fuentes/compose,danix800/docker.github.io,simonista/compose,dbdd4us/compose,d2bit/compose,anweiss/docker.github.io,joeuo/docker.github.io,mdaue/compose,albers/compose,docker/docker.github.io,mbailey/compose,BSWANG/denverdino.github.io,shubheksha/docker.github.io,brunocascio/compose,qzio/compose,LuisBosquez/docker.github.io,aduermael/docker.github.io,rstacruz/compose,vdemeester/compose,alexisbellido/docker.github.io,danix800/docker.github.io,heroku/fig,mbailey/compose,kikkomep/compose,rillig/docker.github.io,dilgerma/compose,phiroict/docker,ChrisChinchilla/compose,shakamunyi/fig,alunduil/fig,benhamill/compose,menglingwei/denverdino.github.io,dockerhn/compose,bfirsh/fig,sanscontext/docker.github.io,bcicen/fig,screwgoth/compose,denverdino/compose,troy0820/docker.github.io,BSWANG/denverdino.github.io,j-fuentes/compose,mnuessler/compose,ekristen/compose,phiroict/docker,bfirsh/fig,sanscontext/docker.github.io,johnstep/docker.github.io,ain/compose,kojiromike/compose,brunocascio/compose,anweiss/docker.github.io,VinceBarresi/compose,jessekl/compose,ionrock/compose,mindaugasrukas/compose,amitsaha/compose,alexisbellido/docker.github.io,ouziel-slama/compose,phiroict/docker,hoogenm/compose,ZJaffee/compose,michael-k/docker-compose,troy0820/docker.github.io,heroku/fig,charleswhchan/compose,thaJeztah/docker.github.io,Chouser/compose,aanand/fig,mosquito/docker-compose,tangkun75/compose,JimGalasyn/docker.github.io,uvgroovy/compose,gdevillele/docker.github.io,twitherspoon/compose,talolard/compose,Yelp/docker-compose,artemkaint/compose,sanscontext/docker.github.io,DoubleMalt/compose,bsmr-docker/compose,mnowster/compose,denverdino/denverdino.github.io,ggtools/compose,moxiegirl/compose,hypriot/compose,johnstep/docker.github.io,ph-One/compose,heroku/fig,TomasTomecek/compose,jessekl/compose,gtrdotmcs/compose,bdwill/docker.github.io,GM-Alex/compose,JimGalasyn/docker.github.io,moxiegirl/compose,zhangspook/compose,rillig/docker.github.io,johnstep/docker.github.io,vdemeester/compose,cgvarela/compose,prologic/compose,kikkomep/compose,unodba/compose,jzwlqx/denverdino.github.io,GM-Alex/compose,goloveychuk/compose,viranch/compose,menglingwei/denverdino.github.io,prologic/compose,docker-zh/docker.github.io,gtrdotmcs/compose,cclauss/compose,troy0820/docker.github.io,shakamunyi/fig,thieman/compose,londoncalling/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,michael-k/docker-compose,d2bit/compose,londoncalling/docker.github.io,jgrowl/compose,gdevillele/docker.github.io,thaJeztah/compose,BSWANG/denverdino.github.io,mohitsoni/compose,joaofnfernandes/docker.github.io,denverdino/docker.github.io,denverdino/denverdino.github.io,aduermael/docker.github.io,ekristen/compose,mnuessler/compose,jrabbit/compose,iamluc/compose,tiry/compose,calou/compose,funkyfuture/docker-compose,thaJeztah/docker.github.io,alexisbellido/docker.github.io,shin-/compose,ph-One/compose,sebglazebrook/compose,abesto/fig,joeuo/docker.github.io,rillig/docker.github.io,alexandrev/compose,andrewgee/compose,artemkaint/compose,jeanpralo/compose,joaofnfernandes/docker.github.io,menglingwei/denverdino.github.io,mosquito/docker-compose,simonista/compose,phiroict/docker,Katlean/fig,denverdino/docker.github.io,genki/compose,tiry/compose,londoncalling/docker.github.io,DoubleMalt/compose,docker-zh/docker.github.io,danix800/docker.github.io,mchasal/compose,mohitsoni/compose,bbirand/compose,kojiromike/compose,cclauss/compose,docker-zh/docker.github.io,tpounds/compose,lmesz/compose,JimGalasyn/docker.github.io,anweiss/docker.github.io,jorgeLuizChaves/compose,RobertNorthard/compose,bobphill/compose,KevinGreene/compose,thaJeztah/compose,LuisBosquez/docker.github.io,phiroict/docker,JimGalasyn/docker.github.io,abesto/fig,LuisBosquez/docker.github.io,noironetworks/compose,joaofnfernandes/docker.github.io,gdevillele/docker.github.io,dopry/compose,rgbkrk/compose,calou/compose,joeuo/docker.github.io,shubheksha/docker.github.io,nerro/compose,shin-/docker.github.io,shin-/docker.github.io,LuisBosquez/docker.github.io,anweiss/docker.github.io,nhumrich/compose,amitsaha/compose,xydinesh/compose,jorgeLuizChaves/compose,unodba/compose,sebglazebrook/compose,browning/compose,denverdino/docker.github.io,mchasal/compose,thaJeztah/docker.github.io,marcusmartins/compose,joaofnfernandes/docker.github.io,denverdino/compose,shin-/docker.github.io,lukemarsden/compose,lukemarsden/compose,TheDataShed/compose,mrfuxi/compose,Chouser/compose,ChrisChinchilla/compose,shin-/docker.github.io,shin-/docker.github.io,bbirand/compose,feelobot/compose,jiekechoo/compose,sanscontext/docker.github.io,docker/docker.github.io,uvgroovy/compose,rillig/docker.github.io,cgvarela/compose,vlajos/compose,sdurrheimer/compose,marcusmartins/compose,hypriot/compose,MSakamaki/compose,shubheksha/docker.github.io,denverdino/docker.github.io,denverdino/denverdino.github.io,bdwill/docker.github.io,twitherspoon/compose,Katlean/fig,dbdd4us/compose,sanscontext/docker.github.io,gdevillele/docker.github.io,bdwill/docker.github.io,glogiotatidis/compose,mark-adams/compose,benhamill/compose,KevinGreene/compose,browning/compose,denverdino/denverdino.github.io,shubheksha/docker.github.io,ionrock/compose,nerro/compose,Dakno/compose,docker/docker.github.io,schmunk42/compose,saada/compose,jzwlqx/denverdino.github.io,shubheksha/docker.github.io,aanand/fig,joeuo/docker.github.io