RDF library includes the prov and rdfs vocabs. So removed them from lib/vocabulary and prefixed all occurances of the two classes with RDF
Replaced all vocabulary classes to use the RDF namespace and dropped the redundant word 'vocabulary' from the file names
Code that automatically creates ruby vocabulay classes. It's not the same format thoguh
Modified model for embargo dates to include start, duration and end definitions
Removed multiple occurances of jetty wrapper from gemfile