[ANN] Rainbows! 4.5.0 - Rack HTTP server for the sleepy

Rainbows! is an HTTP server for sleepy Rack applications. It is based on
Unicorn, but designed to handle applications that expect long
request/response times and/or slow clients.

* http://rainbows.rubyforge.org/
* rainbows-talk@rubyforge.org
* git://bogomips.org/rainbows.git
* http://rainbows.rubyforge.org/NEWS.atom.xml

Changes:

hijacking support

This release adds hijacking support for Rack 1.5.x users.
See Rack documentation for more information about hijacking.
Lin Jen-Shin also provided the -N/--no-default-middleware option.
Minor packaging cleanups and new HACKING document.

There are also some corner-case bugfixes for *Epoll* users
(sleepy_penguin, these bugs do not affect EM or Cool.io users)
and test suite portability improvements.

/me yahns