dhcpcd: add restart on-failure to systemd unit
fix location of enewgroup vboxusers
Merge pull request #3 from susman/dhcpcd_restart_on_failure

dhcpcd: add restart on-failure to systemd unit
add virtual for java 8
upgrade to mysql 5.6.19
remove obsolete binary distribution of hadoop & pig
update dev-util/jenkins-bin for Java 8 compatibility