Added changes necessary to solrize multiple attributes for an RDF Resource.
Removed some unnecessary metaprogramming.
Removed some ridiculous first chaining.
Removed unnecessary line.
Fixed bug with indexing multiple subjects.
Updated facets and index field to use label for subject.
Fixed broken subject specs.
Run at deep indexing/fetching.
Added automatic concurrent fetching after save of deep nodes.
Refactored OregonDigital::RDF::DeepFetch to be less scary to look at.
Unstubbed queue fetching for possible feature specs.
Merge pull request #207 from OregonDigital/feature/IndexRDFLabels

Feature/index rdf labels