Ruby

lib/test/unit.rb: --color option

• lib/test/unit.rb (Test::Unit::Options#setup_options): add --color option.
• lib/test/unit.rb (Test::Unit::Runner#_prepare_run): defer color code
  initialization to regard --color option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35652 b2dd03c8-39d4-4d8f-98ff-823fe69b080e