gh-425 - added empty context xml file to rest api
gh-425 - added empty context xml file to rest api

gchq/Gaffer,GovernmentCommunicationsHeadquarters/Gaffer,GovernmentCommunicationsHeadquarters/Gaffer,gchq/Gaffer,gchq/Gaffer,GovernmentCommunicationsHeadquarters/Gaffer,GovernmentCommunicationsHeadquarters/Gaffer,gchq/Gaffer