Absolute gitignore paths.
Ignore /test/home/.zcompdump.
Removed test/home/.zcompdump.
Unset empty GEM_PATH last.
No point in removing GEM_HOME/GEM_ROOT from GEM_PATH, if they are empty.
Merge the `require 'rubygems'` and `puts GEM_ROOT` lines together.
Ruby-install v0.4.0
Merge pull request #251 from gazay/ruby-install

Ruby-install v0.4.0
Added rpm/sources with the md5 of chruby-0.3.8.tar.gz.
Added an rpm task for building rpms.
Fixed the dates in the rpm changelog.
Fixed ruby versions used by the benchmarks.
Document rubygems --env-shebang in README
Clarify default rubygems binstub shebang
Merge pull request #254 from ilikepi/document_rubygems_env_shebang

Document rubygems --env-shebang in README
Support /.ruby-version auto-switching.
Merge pull request #257 from havenwood/root-dir-auto

Support .ruby-version auto-switching in the root directory.
Mention @JeanMertz's chruby-fish integration.
Use * splat to pass array in as a single argument.
No longer install ruby-install in setup.sh (closes #268).

* Allow user to decide whether they want to use ruby-build, ruby-install
  or compile rubies manually.