Log Message:
Update rabbit to 0.5.9.

== Changes 0.5.9 from 0.5.8: 2009-02-09

  * Improvements
    * HTML output: supported link to PDF.
    * added rabbit-command command line tool to control Rabbit.
    * supported reflected image effect (requested by kdmsnr)

      Example:
        \ 
http://www.clear-code.com/archives/SendaiRubyKaigi01/love-and-continue-it-104.html
        \ 
http://www.clear-code.com/archives/SendaiRubyKaigi01/love-and-continue-it-085.html

      How to write:
        # image
        # src = XXX.jpg
        # relative_height = 80
        # reflect_ratio = 0.5

  * Theme
    * New themes
      * pdf-tortoise-and-hare:
        uses tortoise and hare timer when PDF viewer
        mode. Allotted time is specified by
        RABBIT_ALLOTTED_TIME environment variable.

        Example:
          % RABBIT_ALLOTTED_TIME=4.5m rabbit --theme pdf-tortoise-and-hare XXX.pdf
      * lightning-clear-blue:
        uses large character slides in bluish clear-blue theme.
      * title-on-image-toolkit:
        superimposes title on image.

        Example:
          \ 
http://www.clear-code.com/archives/SendaiRubyKaigi01/love-and-continue-it-036.html

        How to use:
          In slide:
            = Users Group

              # image
              # src = shocker.jpg
              # relative_height = 90

          In theme:
            include_theme("title-on-image-toolkit")

            match(Slide) do |slides|
              slides.each do |slide|
                slide.title_on_image if slide.title_on_image?
              end
            end

  * Bug fixes
    * fixed wrong Wiki format detection.