Removed ruby-mode package from RHEL/Fedora variants

Package no longer exists as of RHEL 6/Fedora 14.
Added "name" attribute to metadata.rb

Make berkshelf happy when installing from git.
Allow 1.9.3 on Ubuntu
Missed the necessary file
Add name attribute to metadata.
Be explicit with recipe definitions in metadata.
Merge branch 'master' of https://github.com/apfritts/ruby-cookbook
Merge branch 'rhel-6-missing-ruby-mode' of https://github.com/buysse/ruby-cookbook