Update rabbit to 2.0.7

== 2.0.7: 2013-04-29

Stability improvement release!

=== Improvements

==== Package

  * [GitHub#13] Removed needless files from package.
    [Reported by Youhei SASAKI]
  * Removed Ruby/GStreamer from dependency package.
    [rabbit-shocker:1089] [Reported by znz]

==== rabbit

  * Removed needless executable permission.
  * Stopped requiring Ruby/GStreamer on initialize because it crashes Rabbit on
    Mac OS X 10.6.8.
    [Reported by masa]
  * Stopped guessing from source content when source has extension to avoid
    false detection.
  * Removed needless fallback fullscreen/unfullscreen features because they
    are needless with latest GTK+.
    [Reported by Youhei SASAKI]
  * Supported non-ASCII file name.
    [GitHub#15][GitHub#16][GitHub#17] [Patch by Masafumi Yokoyama]
  * Stopped to use iconv when String#encode is available.
    [GitHub#18] [Patch by Masafumi Yokoyama]

==== Theme

  * lightning-talk-toolkit: Supported as-large-as-possible slide property.

      Force enable:

        = Large Title

        == property

        : as_large_as_possible
          true

      Force disable:

        = Large Title

        == property

        : as_large_as_possible
          false

==== Test

  * Added missing load path to $LOAD_PATH.
    [GitHub#14] [Reported by Masafumi Yokoyama]

==== rabbit-slide

  * Supported multi-paragraph description.
  * Published to RubyGems.org after publishing to SlideShare.
    It is for using SlideShare information on RubyGems.org publishing.
    [Masafumi Yokoyama]
  * Supported RubyGems 2.0. [Masafumi Yokoyama]

=== Thanks

  * Youhei SASAKI
  * masa
  * Masafumi Yokoyama
  * znz

(obache)