OpenTimeout.  ReadTimeout is now raised by rbuf_fill instead of
  Timeout::Error to help users distinguish what type of timeout
  occurred.  [ruby-trunk - Feature #6088]
* lib/net/pop.rb (module Net):  Updated documentation for ReadTimeout
  and OpenTimeout.
* lib/net/http.rb (module Net):  ditto
* lib/net/smtp.rb (module Net):  ditto
* lib/net/telnet.rb (module Net):  Net::ReadTimeout is now raised in
  waitfor to match Net::Protocol.
* test/net/http/test_http.rb:  Updated Timeout::Error expectation to
  Net::ReadTimeout.
* test/net/ftp/test_ftp.rb:  ditto


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e