Add some colour to rspec, because console
Expanded spec to describe what we want to cover in validation; added local? and base
Implemented basic set of warnings for missing keys and README.md
Added tests for resource existence based on path
Merge branch 'master' into improve-validation-options
Refactored resolving resources; extending checking to use url if provided in preference to path
Added docs on installation, basic usage and validation
Temporarily removed unimplemented fixtures
Merge pull request #3 from theodi/improve-validation-options

Improve validation options