Added fuseiso to apt-get
In order to support extracting isos fuseiso must be installed.
Merge pull request #304 from jcpowermac/tb/dockerfile-missing-fuseiso-303

Added fuseiso to apt-get
Modified RHEL 6 kickstart
Removed ruby-runtime from kickstart.  Ruby package is not
included in the minimal CentOS 6.6 ISO, which cause an install error.
Merge branch 'tb/remove-ruby-rhel-model-299' of github.com:jcpowermac/Hanlon into tb/remove-ruby-rhel-model-299