GH-92: add http proxy support
Extract the http-proxy detection to the environment.
Make the sample cookbook tarball using in-memory techniques. Faster.
A little cleanup.
Remove an unused return value.
Merge coupled code into a single method.
Enforce that ref option is given a string.
Be more tolerant of variances in package filenames uploaded to Opscode.
Pathname is funner than FileUtils.
FakeFS is busted on Rubinius. Travis should run the tests, but not fail the build.
Remove unused code.
Prefer methods.
Whitespace.
Start transitioning some of the features to cli specs.
Oops. 1.8-compatible syntax.
Continue transitioning the cli specs to rspec.
Finish transitioning cli features to rspec.
Remove cucumber, which is now unused.
Move the version method to the environment.
Move a method to the only place it's used.