Added sass-rails dependency as per https://github.com/projecthydra/hydra-head/commit/0e03bab82c72a560bd2775a1433278884d580684 to fix build.
Added equivalent-xml rspec matchers to spec_helper to fix build failure
Merge pull request #341 from dchandekstark/sass-rails-patch

Added sass-rails dependency as per https://github.com/projecthydra/hydra...