Added definition for Ruby 1.9.1-p378 (rubygems 1.3.5) - The standard debian…

Added definition for Ruby 1.9.1-p378 (rubygems 1.3.5) - The standard debian versions for Ubuntu Lucid 10.04 (which we still run on production... for a little while longer)

share/ruby-build/1.9.1-p378

+install_package "yaml-0.1.4" "http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz"
+install_package "ruby-1.9.1-p378" "http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.1-p378.tar.gz"
+install_package "rubygems-1.3.5" "http://production.cf.rubygems.org/rubygems/rubygems-1.3.5.tgz" ruby