Log Message:
Update www/mechanize to 1.0.0.

* Use lang/ruby/gem.mk instead of misc/rubygems/rubygem.mk.
* Remove default value of GEM_BUILD.
* Ajust new ruby package's framework.

= Mechanize CHANGELOG

=== 1.0.0

* New Features:

  * An optional verb may be passed to Mechanize#get GH #26
  * The WWW constant is deprecated. Switch to the top level constant Mechanize
  * SelectList#option_with and options_with for finding options

* Bug Fixes:

  * Rescue errors from bogus encodings
  * 7bit content-encoding support.  Thanks sporkmonger! GH #2
  * Fixed a bug with iconv conversion. Thanks awesomeman! GH #9
  * meta redirects outside the head are not followed. GH #13
  * Form submissions work with nil page encodings. GH #25
  * Fixing default values with serialized cookies. GH #3
  * Checkboxes and fields are sorted by page appearance before submitting. #11