Add MagLev to ruby-install Rubies list.
Add link to chruby MagLev install Wiki and ruby-build instructions.
Updated the release date of 0.3.6.
Updated the versions in the README.
Bumped the version in chruby.sh.
Added PGP signature for v0.3.6
Updated the homebrew formula for 0.3.6.
Forgot to mention changes to cruby-exec.
Merge pull request #152 from havenwood/patch-5

Add MagLev to chruby wiki, ruby-install and ruby-build instructions.
Bumped the rpm for 0.3.6.
Set RUBY_AUTO_VERSION even if the version is unknown (closes #166).

* Prevents chruby error messages after every command.
Style.
Recommend .zshrc over .zshenv.
Changed the tag message.
Update setup.sh to use ruby-install for installing Rubies.
Merge pull request #171 from havenwood/setup

Update setup.sh to use ruby-install for installing Rubies.
Style.
Added RUBY_INSTALL_VERSION.
No need to set RUBIES anymore.
Fix typo in comments.