Re #8590 - Implemented all fields of subject into DB
Re #8670 - Modified deletion for historical storage of certificates
Re #8578 - Applied changes of the database
Re #8512 - Rewritten ERA model
Re #8305 - Edited ERA model and script for generate database- password column migrated from Certificate table to PrivateKey table
Re #8305 - Created ERA model and DB script- ERA model- script for generate DB- script for insert default values into DB