Update README for new 'fig up' behaviour
Update README for new 'fig up' behaviour

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