Re #8570 - Implemented logger- implemented static functions (debug, info, warning, error, critical) (sorted by level)- used configuration for setting logging library
Re #8476 - Refactored the application; swagger is not used for code generation anymore, REST API is being implemented from scratch. Migration only, fixing tests.
Re #8476 - Auxiliary script for database initialization, FileAnchor
Re #8471 - Merge implement DAO - source code