Updating CoreOS version because of CVE-2015-0235
Updating CoreOS version because of CVE-2015-0235

AntonioMeireles/kubernetes-vagrant-coreos-cluster,windwizard/kubernetes-vagrant-coreos-cluster-pub,tcichowicz/kubernetes-vagrant-coreos-cluster,lrolaz/kubernetes-vagrant-coreos-cluster,dqminh/kubernetes-demo,v1k0d3n/kubernetes-vagrant-coreos-cluster,BitBldr/kubernetes-vagrant-coreos-cluster,potgieterdl/kubernetes-vagrant-coreos-cluster,prashanthrv/kubernetes-vagrant-coreos-cluster,gaia-sandbox/kubernetes-vagrant-coreos-cluster,pires/kubernetes-vagrant-coreos-cluster,duncanfinney/kubernetes-vagrant-coreos-cluster,RichardKnop/paas,geseib/kubernetes-vagrant-coreos-cluster,Hikariii/kubernetes-vagrant-coreos-cluster,ndobson/kubernetes-vagrant-coreos-cluster,lrolaz/kubernetes-vagrant-coreos-cluster,dqminh/kubernetes-demo,ericjperry/kubernetes-vagrant-coreos-cluster,schatt/kubernetes-vagrant-coreos-cluster,amannm/kubernetes-vagrant-coreos-cluster