dev-vcs/git-up: Drop x86, add ruby 1.9 support

Package-Manager: portage-2.1.11.55
Add dev-ruby/commander

Package-Manager: portage-2.1.12.2
Add dev-util/rhc

Package-Manager: portage-2.1.12.2
Remove dev-python/python-ethtool

Package-Manager: portage-2.1.12.2