added image affinity test and !=
added image affinity test and !=

Signed-off-by: Victor Vieux <5e30c7222a5138067ad5bff2f2b96878cc9b735a@gmail.com>

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arm,aduermael/docker.github.io,gradywang/swarm,joeuo/docker.github.io,anweiss/docker.github.io,aduermael/docker.github.io,bsmr-docker/swarm,schmunk42/swarm,rancher/swarm,joeuo/docker.github.io,shahankhatch/swarm,atlassian/swarm,CiaranCostello/swarm,abronan/swarm,alexisbellido/docker.github.io,gdevillele/docker.github.io,iaintshine/swarm,auzias/swarm,BSWANG/swarm,phiroict/docker,parapsyche/swarm,ejholmes/swarm,aduermael/docker.github.io,dnephin/swarm,thaJeztah/docker.github.io,johnstep/docker.github.io,jzwlqx/denverdino.github.io,yp-engineering/swarm,doronp/swarm,FollowMyDev/swarm,zkcrescent/swarm,docker-zh/docker.github.io,srikalyan/swarm,megamsys/swarm,shahankhatch/swarm,vlajos/swarm,francisbouvier/swarm,christophelec/swarm,snrism/swarm,denverdino/docker.github.io,menglingwei/denverdino.github.io,akerbis/armhf-swarm,parapsyche/swarm,mrjana/swarm,jimmyxian/swarm,thaJeztah/docker.github.io,doronp/swarm,moxiegirl/swarm,rillig/docker.github.io,JimGalasyn/docker.github.io,bsmr-docker/swarm,londoncalling/docker.github.io,joaofnfernandes/docker.github.io,ealang/swarm,denverdino/docker.github.io,denverdino/docker.github.io,phiroict/docker,joeuo/docker.github.io,u2mejc/swarm,bdwill/docker.github.io,anweiss/docker.github.io,phiroict/docker,pdevine/swarm,raoofm/swarm,alexisbellido/docker.github.io,jdamick/swarm,iaintshine/swarm,bpradipt/swarm