APOLLO-3946 Added base entity moved some of the params
APOLLO-3946 Further normalised document and Correspondence
APOLLO-3946 Updated inheritance
APOLLO-3964 Fixed mappings
APOLLO-3946 Updated manytomany on person/correspondence
APOLLO-3964 Moved documents and correspondence to a discriminator map
Merge pull request #127 from ministryofjustice/APOLLO-3946

Apollo 3946