Changes have been made to allow ref value (participating-org and reporting-org) GB along with GB-1 when loading partner projects.
Fixed cypher to load project info in multileve-traceability collection when provider-org iiati-identifier does not exist
Merge pull request #184 from DFID/gb-as-prov-part-org-ref#293

Tested by JA against GPAF partners using GB-1 (Jeevika, WSUP, APT etc) and PK partner HTSPE using GB. Projects loaded and linked correctly.
Merge branch 'master' of https://github.com/DFID/aid-platform-beta into traceability-funded-project#198

Merged in development laptop.
Contains changes to create recursive JSON data structure in ruby method to create a simple dendogram. This has not been finished yet, there could be possible bugs in creating JSON