Revert workaround for docker 1.8.2.
Review Request #235 - Created Dec. 1, 2015 and submitted
|mitr, nphilipp, sgallagh, twoerner|
Fedora 23 has docker version 1.9.1 now, we don't need to install and start 1.7.0 once then update anymore. This partially reverts commit d6ec2518ee346e45d130b78ebf18f44ebcff513b. Reviewed at https://reviewboard-fedoraserver.rhcloud.com/r/235/
vagrant rsync && vagrant provision, sshing into the VM and checking if docker is running.