mapped the ENUM type (not supported by DBAL by default) to the string mapping type
Merge remote-tracking branch 'origin/master' into data-model
added some missing primary key
generated Entities from the Existing InnovareDB
remove useless table
removed useless tables from db schema
created entity classes for metadata files
Merge pull request #5 from lNNOVARE/data-model

Generate Entities from InnovareDB