Created a new conf/ file 'variable-dictionary-provenance.yml' where all...

Created a new conf/ file 'variable-dictionary-provenance.yml' where all provenance data is stored. It's an extension of the already defined 'variable-dictionary.yml'. Also included the provenance graph inside the s2dv cube so all functions take as input 'recipe' and 'data' and give as output 'data'. Everything working fine