-The change in install_docker.sh corrects a typo ('=' should be '-').
This typo resutls in 'unable to locate the packet' error when executing apt-get.
-The second change is in hypervisor-docker fix the error for reporting
docker is not installed when docker is actually set up. The original line
missed the version part of the package name.
Change-Id: Ic48f45158cf84f89080f095d53c355e9f6969bfd