Upgrade to RSpec 3 and the expect syntax.
Use SVG badges for gem version, build status, code climate, and dependencies.
[ci skip]
Add specs for X-Forwarded-Host request recognition.
Merge pull request #24 from nbibler/x-forwarded-host

Add specs for X-Forwarded-Host request recognition.
Merge pull request #22 from nbibler/rspec3

Upgrade to RSpec 3 and the expect syntax.
Merge pull request #23 from nbibler/badges

Use SVG badges for version, status, code climate, and dependencies.
Prefer #to_not over #not_to.
Group together like configuration options.