reverting to previous coomit to be able to make a pull request

Conflicts:

	src/main/java/com/clouway/task157/core/DatabaseHelper.java
	src/main/java/com/clouway/task157/core/OnlineUsersListener.java
	src/main/java/com/clouway/task157/core/Session.java
	src/main/java/com/clouway/task157/http/LoginController.java
	src/main/java/com/clouway/task157/http/security/HttpModule.java
	src/main/java/com/clouway/task157/http/security/SecurityFilter.java
	src/main/java/com/clouway/task157/http/security/SecurityModule.java
	src/main/java/com/clouway/task157/persistence/PersistentBankRepository.java
	src/main/java/com/clouway/task157/persistence/PersistentSessionRepository.java