This brings the following additional ports
* devel/rubygem-launch22
* misc/rubygem-mime-types117
* textproc/rubygem-nokogiri14
* www/rubygem-heroku-nav
* www/rubygem-mechanize26
* www/rubygem-net-http-digest_auth11
* www/rubygem-net-http-persistent25

With the exception of heroku-nav, all the other ports are just older versions
of already existing ports.

Reviewed by:	swills