More clean up to the CI example on how to use docker images [ci skip]
More clean up to the CI example on how to use docker images [ci skip]

Soullivaneuh/gitlabhq,jrjang/gitlabhq,dwrensha/gitlabhq,yatish27/gitlabhq,mrb/gitlabhq,ttasanen/gitlabhq,shinexiao/gitlabhq,stoplightio/gitlabhq,yatish27/gitlabhq,martijnvermaat/gitlabhq,duduribeiro/gitlabhq,larryli/gitlabhq,darkrasid/gitlabhq,openwide-java/gitlabhq,cui-liqiang/gitlab-ce,axilleas/gitlabhq,daiyu/gitlab-zh,shinexiao/gitlabhq,duduribeiro/gitlabhq,iiet/iiet-git,Datacom/gitlabhq,ttasanen/gitlabhq,mrb/gitlabhq,martijnvermaat/gitlabhq,jrjang/gitlab-ce,stoplightio/gitlabhq,mmkassem/gitlabhq,mrb/gitlabhq,yatish27/gitlabhq,allysonbarros/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,cui-liqiang/gitlab-ce,screenpages/gitlabhq,martijnvermaat/gitlabhq,dplarson/gitlabhq,allysonbarros/gitlabhq,dplarson/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,ttasanen/gitlabhq,htve/GitlabForChinese,mr-dxdy/gitlabhq,cui-liqiang/gitlab-ce,axilleas/gitlabhq,mr-dxdy/gitlabhq,screenpages/gitlabhq,jirutka/gitlabhq,koreamic/gitlabhq,LUMC/gitlabhq,stoplightio/gitlabhq,jrjang/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,jrjang/gitlab-ce,iiet/iiet-git,LUMC/gitlabhq,cui-liqiang/gitlab-ce,shinexiao/gitlabhq,louahola/gitlabhq,daiyu/gitlab-zh,mrb/gitlabhq,dreampet/gitlab,openwide-java/gitlabhq,jrjang/gitlabhq,mmkassem/gitlabhq,icedwater/gitlabhq,dplarson/gitlabhq,louahola/gitlabhq,louahola/gitlabhq,screenpages/gitlabhq,Datacom/gitlabhq,darkrasid/gitlabhq,louahola/gitlabhq,icedwater/gitlabhq,Datacom/gitlabhq,t-zuehlsdorff/gitlabhq,jrjang/gitlabhq,daiyu/gitlab-zh,dwrensha/gitlabhq,t-zuehlsdorff/gitlabhq,axilleas/gitlabhq,larryli/gitlabhq,koreamic/gitlabhq,dwrensha/gitlabhq,Datacom/gitlabhq,openwide-java/gitlabhq,htve/GitlabForChinese,larryli/gitlabhq,icedwater/gitlabhq,htve/GitlabForChinese,allysonbarros/gitlabhq,dwrensha/gitlabhq,dplarson/gitlabhq,darkrasid/gitlabhq,iiet/iiet-git,mr-dxdy/gitlabhq,dreampet/gitlab,ttasanen/gitlabhq,SVArago/gitlabhq,martijnvermaat/gitlabhq,Soullivaneuh/gitlabhq,jirutka/gitlabhq,SVArago/gitlabhq,jrjang/gitlab-ce,icedwater/gitlabhq,mmkassem/gitlabhq,t-zuehlsdorff/gitlabhq,mr-dxdy/gitlabhq,axilleas/gitlabhq,duduribeiro/gitlabhq,jirutka/gitlabhq,koreamic/gitlabhq,duduribeiro/gitlabhq,allysonbarros/gitlabhq,yatish27/gitlabhq,openwide-java/gitlabhq,Soullivaneuh/gitlabhq,darkrasid/gitlabhq,SVArago/gitlabhq,koreamic/gitlabhq,LUMC/gitlabhq,jrjang/gitlab-ce,iiet/iiet-git,SVArago/gitlabhq,shinexiao/gitlabhq,t-zuehlsdorff/gitlabhq,larryli/gitlabhq,screenpages/gitlabhq,daiyu/gitlab-zh,htve/GitlabForChinese,Soullivaneuh/gitlabhq