./script/plugin install -x https://svn.bountysource.com/bssvnbrowser/trunk/
Cannot install using externals because this project is not under subversion.
/usr/lib/ruby/gems/1.8/gems/activesupport-1.4.0/lib/active_support/dependencies.rb:423:in `remove_const': cannot remove Object::Verbose (NameError)
        from /usr/lib/ruby/gems/1.8/gems/activesupport-1.4.0/lib/active_support/dependencies.rb:423:in `remove_constant'
        from /usr/lib/ruby/gems/1.8/gems/activesupport-1.4.0/lib/active_support/dependencies.rb:369:in `new_constants_in'
        from /usr/lib/ruby/gems/1.8/gems/activesupport-1.4.0/lib/active_support/dependencies.rb:369:in `new_constants_in'
        from /usr/lib/ruby/gems/1.8/gems/activesupport-1.4.0/lib/active_support/dependencies.rb:496:in `require'
        from ./script/plugin:3