Refactoring of the SUSE/openSUSE provisioner
Refactoring of the SUSE/openSUSE provisioner

This provisioner is not relying on the bash script hosted
at get.docker.com.

Helps fixing issue #23480

Signed-off-by: Flavio Castelli <d1035a58d87d0b7918844ad2fd699273faf2f5d5@suse.com>

larsla/machine,dgageot/machine,docker/machine,Herbis/machine,voutilad/machine,docker/machine,larsla/machine,ibuildthecloud/machine,londoncalling/machine,flavio/machine,londoncalling/machine,dweomer/docker-machine,dweomer/docker-machine,voutilad/machine,dgageot/machine,SvenDowideit/machine,exoscale/docker-machine,ibuildthecloud/machine,SvenDowideit/machine,Herbis/machine,flavio/machine,exoscale/docker-machine