Update CoreOS provisioner to use 'docker daemon'
Update CoreOS provisioner to use 'docker daemon'

Signed-off-by: Nathan LeClaire <38947c4d2b13dfd9789405506441b98609e8975e@gmail.com>

skatsuta/machine,miqui/machine,anweiss/docker.github.io,jeanlaurent/machine,tpires/machine,dweomer/docker-machine,LuisBosquez/docker.github.io,kacole2/machine,docker-zh/docker.github.io,jsirois/machine,robertbreker/machine,menglingwei/machine,londoncalling/docker.github.io,denverdino/machine,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,kunalkushwaha/machine,denverdino/machine,joaofnfernandes/docker.github.io,menglingwei/denverdino.github.io,denverdino/denverdino.github.io,sebadiaz/machine,SvenDowideit/machine,anweiss/docker.github.io,alexisbellido/docker.github.io,BSWANG/denverdino.github.io,docker/machine,dgageot/machine,gdevillele/docker.github.io,Herbis/machine,jmelis/machine,larsla/machine,otherjason/machine,docker-zh/docker.github.io,denverdino/docker.github.io,sebadiaz/machine,errordeveloper/machine,aduermael/docker.github.io,kacole2/machine,thaJeztah/docker.github.io,aduermael/docker.github.io,dweomer/docker-machine,bgokden/machine,otherjason/machine,jsirois/machine,wzymaster/machine,jzwlqx/denverdino.github.io,docker-zh/docker.github.io,shin-/docker.github.io,shin-/docker.github.io,voutilad/machine,thaJeztah/machine,faijaz/docker-machine,larsla/machine,BSWANG/denverdino.github.io,phiroict/docker,denverdino/denverdino.github.io,thaJeztah/docker.github.io,denverdino/docker.github.io,jzwlqx/denverdino.github.io,jeanlaurent/machine,gdevillele/docker.github.io,thaJeztah/docker.github.io,denverdino/denverdino.github.io,kunalkushwaha/machine,ibuildthecloud/machine,docker/docker.github.io,johnstep/docker.github.io,SvenDowideit/machine,miqui/machine,aduermael/docker.github.io,kacole2/machine,phiroict/docker,aduermael/docker.github.io,menglingwei/denverdino.github.io,londoncalling/machine,faijaz/docker-machine,xinxian0458/machine,johnstep/docker.github.io,jsirois/machine,londoncalling/docker.github.io,robvanmieghem/machine,menglingwei/machine,joeuo/docker.github.io,shin-/docker.github.io,johnstep/docker.github.io,sanscontext/docker.github.io,xinxian0458/machine,johnstep/docker.github.io,docker/docker.github.io,bdwill/docker.github.io,voutilad/machine,rillig/docker.github.io,denverdino/docker.github.io,BSWANG/denverdino.github.io,gdevillele/docker.github.io,gdevillele/docker.github.io,Herbis/machine,sanscontext/docker.github.io,menglingwei/denverdino.github.io,miqui/machine,docker/docker.github.io,wzymaster/machine,JimGalasyn/docker.github.io,moxiegirl/machine,moxiegirl/machine,moxiegirl/machine,londoncalling/docker.github.io,denverdino/docker.github.io,robertbreker/machine,tpires/machine,joeuo/docker.github.io,londoncalling/docker.github.io,shubheksha/docker.github.io,danix800/docker.github.io,menglingwei/denverdino.github.io,flavio/machine,sanscontext/docker.github.io,troy0820/docker.github.io,denverdino/denverdino.github.io,bgokden/machine,jmelis/machine,johnstep/docker.github.io,tyrken/machine,shin-/docker.github.io,shubheksha/docker.github.io,jzwlqx/denverdino.github.io,faijaz/docker-machine,thaJeztah/machine,xinxian0458/machine,jzwlqx/denverdino.github.io,LuisBosquez/docker.github.io,shin-/docker.github.io,flavio/machine,robertbreker/machine,kunalkushwaha/machine,tyrken/machine,rillig/docker.github.io,LuisBosquez/docker.github.io,menglingwei/machine,skatsuta/machine,JimGalasyn/docker.github.io,StackPointCloud/machine,ppadala/machine,troy0820/docker.github.io,sanscontext/docker.github.io,danix800/docker.github.io,ppadala/machine,anweiss/docker.github.io,rillig/docker.github.io,phiroict/docker,bgokden/machine,errordeveloper/machine,LuisBosquez/docker.github.io,troy0820/docker.github.io,JimGalasyn/docker.github.io,LuisBosquez/docker.github.io,danix800/docker.github.io,sanscontext/docker.github.io,joeuo/docker.github.io,danix800/docker.github.io,joeuo/docker.github.io,jeanlaurent/machine,sebadiaz/machine,BSWANG/denverdino.github.io,ibuildthecloud/machine,dgageot/machine,thaJeztah/docker.github.io,londoncalling/machine,skatsuta/machine,errordeveloper/machine,exoscale/docker-machine,docker/machine,bdwill/docker.github.io,docker-zh/docker.github.io,anweiss/docker.github.io,denverdino/denverdino.github.io,robvanmieghem/machine,tpires/machine,bdwill/docker.github.io,BSWANG/denverdino.github.io,jmelis/machine,robvanmieghem/machine,ppadala/machine,JimGalasyn/docker.github.io,alexisbellido/docker.github.io,joaofnfernandes/docker.github.io,joeuo/docker.github.io,joaofnfernandes/docker.github.io,anweiss/docker.github.io,menglingwei/denverdino.github.io,troy0820/docker.github.io,joaofnfernandes/docker.github.io,docker-zh/docker.github.io,docker/docker.github.io,exoscale/docker-machine,otherjason/machine,londoncalling/docker.github.io,phiroict/docker,rillig/docker.github.io,shubheksha/docker.github.io,shubheksha/docker.github.io,gdevillele/docker.github.io,tyrken/machine,StackPointCloud/machine,alexisbellido/docker.github.io,thaJeztah/machine,alexisbellido/docker.github.io,joaofnfernandes/docker.github.io,denverdino/machine,bdwill/docker.github.io,bdwill/docker.github.io,thaJeztah/docker.github.io,StackPointCloud/machine,phiroict/docker,wzymaster/machine,denverdino/docker.github.io,shubheksha/docker.github.io,JimGalasyn/docker.github.io,docker/docker.github.io