Merge remote-tracking branch 'ruby-upstream/master'

Changed GSL to: ftp://ftp.gnu.org/gnu/gsl/gsl-1.16.tar.gz

* ruby-upstream/master: (173 commits)
  bump to v127
  update changelog
  rbx now supports cedar and cedar-14
  corrected removal of travis key
  bump to v126
  update changelog
  [close #295] correctly clear cache after version change
  ensure message is a string before splitting
  in cedar-14, we need to install a java runtime for yui-compressor
  bump to v125
  update changelog
  bump to node 0.10.30 for http://blog.nodejs.org/2014/07/31/v8-memory-corruption-stack-overflow/
  bump to v124
  update changelog
  cycle travis password
  rev hatchet app limit
  move fetchers into NodeInstaller class, node-0.4.7.tgz is cedar specific
  extract logic into NodeInstaller class, add cedar support back
  install node 0.10.29 for cedar-14
  extract individual files from the fetcher
  ...

Conflicts:
	lib/language_pack/ruby.rb