Log message:
PR pkg/47791 orignated by tsutsui@  for tw,
CUI client for twitter written by ruby.

 This is actually following set. But just making package on
net/ruby-tw will pull all these prerequisites.

- misc/ruby-args_parser   args_parser-0.1.4
  Parse ARGV from command line with DSL.

- misc/ruby-hashie	hashie-1.2.0
  Hashie is a small collection of tools that make hashes more powerful.
  Currently includes Mash (Mocking Hash) and Dash (Discrete Hash).

- misc/ruby-parallel	parallel-0.6.4
  Ruby gem to run any kind of code in parallel processes.

- misc/ruby-rainbow	rainbow-1.1.4
  Rainbow extends ruby String class enabling coloring text on ANSI terminals.

- net/ruby-tw		 tw-0.3.9
  Ruby based CUI Twitter client.

- net/ruby-twitter	twitter-4.6.2
  A Ruby interface to the Twitter API.

- net/ruby-userstream	userstream-1.3.0
  UserStream is a simple twitter userstream library.