Engine Axe toml configuration flag

Current state:

• Direct database modification is the only way to update configuration for running application (or application that has been started at least once).
• default_configuration.toml has initial values that loaded into database when application runs first time.

Wanted changes:

• With no flag on axe cli: toml file values are loaded into database.
• With special flag (exception flag) on axe cli: do not use toml file values (as it for now).

It is suggested to add new boolean flag and remove existing configuration with config.CleanupConf() when flag has default vaule. Application has to do nothing with the opposite flag value.