Exposes repository-URLs as flags on helm init command
Exposes repository-URLs as flags on helm init command

Fixes issues/2272

stable-repository-url is currently hard-coded for helm init,
so if a user wants to make a different intranet repository as stable repo,
only option left is to first do an init,
followed by repo delete and repo add.

fibonacci1729/helm,technosophos/deployment-manager,rbwsam/helm,thomastaylor312/helm,technosophos/deployment-manager,fibonacci1729/helm,technosophos/deployment-manager,adamreese/deployment-manager,adamreese/helm,technosophos/deployment-manager,appscode/helm,adamreese/deployment-manager,sushilkm/helm,bacongobbler/helm,michelleN/deployment-manager,flynnduism/helm,jascott1/helm,technosophos/deployment-manager,yan234280533/helm,adamreese/helm,adamreese/deployment-manager,kdada/helm,rbwsam/helm,technosophos/k8s-helm,eicnix/helm,bacongobbler/helm,helm/helm,adamreese/deployment-manager,SlickNik/helm,FengyunPan/helm,sushilkm/helm,thomastaylor312/helm,michelleN/deployment-manager,FengyunPan/helm,appscode/helm,michelleN/deployment-manager,technosophos/k8s-helm,flynnduism/helm,SlickNik/helm,adamreese/deployment-manager,eicnix/helm,michelleN/deployment-manager,helm/helm,jascott1/helm,yan234280533/helm,kdada/helm