bump(app-emulation/vagrant): sync with upstream

First real user of ruby so lots of stuff here.

Packages updated:
  app-emulation/vagrant
  dev-lang/ruby
  dev-libs/libIDL
  dev-ruby/abstract
  dev-ruby/archive-tar-minitar
  dev-ruby/childprocess
  dev-ruby/erubis
  dev-ruby/ffi
  dev-ruby/i18n
  dev-ruby/json
  dev-ruby/log4r
  dev-ruby/net-scp
  dev-ruby/net-ssh
  dev-ruby/racc
  dev-ruby/rake
  dev-ruby/rake-compiler
  dev-ruby/rdoc
  dev-ruby/rubygems
  dev-util/kbuild
  dev-util/ragel
  virtual/ruby-ffi
  virtual/rubygems
  virtual/ruby-ssl
  virtual/ruby-threads