Log Message:
Update ruby-mime-types to 1.23.

== 1.23 / 2013-04-20

* New Feature:
  * Arnaud Meuret (ameuret) suggested that it could be useful if the MIME type
    collection was enumerable, so he implemented it in #30. Thanks for the
    contribution! https://github.com/halostatue/mime-types/pull/30
* Updated MIME Types:
  * RFC6910 was adopted (application/call-completion).
  * RFC6902 was adopted (application/json-patch\+json).
  * RFC6917 was adopted (application/mrb-consumer\+xml,
    application/mrb-publish\+xml).
  * RFC6922 was adopted (application/sql).
  * RFC2560 is being
    {updated}[http://tools.ietf.org/html/draft-ietf-pkix-rfc2560bis].
* Administrivia:
  * The gemspec now includes information about the licenses under which the
    mime-types gem is available.
  * Using hoe-gemspec2 instead of hoe-gemspec.

== 1.22 / 2013-03-30

* New MIME Types:
  * Added support for 3FR (Hasselblad raw images) files. MIME-Type was obtained
    by looking at exif data with exiftool. Thanks to cgat for these changes.
    https://github.com/halostatue/mime-types/pull/27
* Updated MIME Types:
    * Pulled the latest updates from the IANA MIME-Type registry.
* Added support for Ruby 2.0 with Travis CI.