* doc/contributing.rdoc: [DOC] Reporting downstream distro issues


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43944 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* doc/contributing.rdoc: [DOC] Current platform maintainers


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43945 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* doc/contributing.rdoc: [DOC] Reporting other (ruby-lang.org) issues


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43946 b2dd03c8-39d4-4d8f-98ff-823fe69b080e