SmartOS only use "rb_cv_have_signbit=no" workaround for ruby-2.0.0-p0
Modified rails script for Rails4 or Bundler's binstabs
Merge pull request #2179 from n-sakuma/feature/modified_rails_script

Modified rails script for Rails4 or Bundler's binstabs
unify detecting and erroring for project directories
Merge branch 'master' of github.com:wayneeseguin/rvm
more tests for rvm do, thanks to @aspiers
gcc46 is good everywhere, fix #2181
Merge pull request #2175 from Ch00k/master

More Solaris improvements
Merge pull request #2182 from mattconnolly/master

SmartOS only use "rb_cv_have_signbit=no" workaround for ruby-2.0.0-p0
Add stat, xargs to GNU utils. Fixes multi-user installation on Solaris 10
Merge remote-tracking branch 'upstream/master'