spree/spree — pull request #1578 by parndt (2012-05-22 01:02:41+00:00)
Title: Improvements to installer code.

- Removed is_ from methods.
- Switched to `RbConfig::CONFIG` rather than `Object::RUBY_PLATFORM`
- Added windows? and linux? methods.
- Adjusted Imagemagick check to verify Linux in the same way as Mac.