Log Message:
Update ruby-gnome2 to 2.0.0.

GObject Introspection based bindings on Windows support release!

=== Changes

==== NEWS

  * Fixes
    * Fixed a typo. [Reported by Masafumi Yokoyama]
    * FIxed a typo. [Reported by Toyo Abe]

==== Ruby/GLib2

  * Improvements
    * Moved lib/gnome2-*.rb files to lib/gnome2/ directory.
    * Supported GLib 2.34. [Reported by OBATA Akio]

==== Ruby/GdkPixbuf2

  * Fixes
    * [windows] Fixed PNG can't be handled problem.
      [ruby-gnoem2-devel-ja] [Reported by Masafumi Yokoyama]

==== Ruby/GDK3

  * Improvements
    * [windows] Removed needless Greybird theme.
      [ruby-gnome2-devel-en] [Reported by Regis d'Aubarede]
    * Added Gdk::Window#create_cairo_context
      [ruby-gnome2-devel-en] [Reported by Detlef Reichl]

==== Ruby/GTK3

  * Improvements
    * Updated samples.
      [GitHub #140][GitHub #141][GitHub #144]
      [Patch by Simon Arnaud]
      [GitHub #142][GitHub #143][GitHub #145][GitHub #146][GitHub #148]
      [Patch by Detlef Reichl]

==== Ruby/GObjectIntrospection

  * Improvements
    * [windows] Supported!

==== Ruby/GStreamer

  * Improvements
    * Supported GStreamer 1.0!
    * Migrated to GObject Introspection bindings!
    * Dropped GStreamer 0.10 support.

==== Ruby/Clutter

  * Improvements
    * [windows] Supported!

==== Ruby/ClutterGTK

  * Improvements
    * [windows] Supported!