License changes

[Josef Stribny]

Hi rubyists,

I am just letting you know I've fixed licences for the following packages:

rubygem-rack to MIT and (Ruby or BSD)
rubygem-rails-doc to MIT and (MIT or GPL+)
rubygem-railties to MIT
rubygem-thread_safe to ASL 2.0 and Public Domain
rubygem-erubis-doc to MIT and BSD
rubygem-i18n to MIT and (BSD or Ruby)
rubygem-jquery-rails to MIT
rubygem-diff-lcs to (GPLv2+ or Artistic or MIT) and (GPLv2+ or Artistic or Ruby or BSD) and (Artistic or Ruby or BSD)*

Thanks goes to Vit, who spotted them.

Best Regards
Josef

* Will do when I get commit rights.