SC-25 Introduce Spring Data to project
SC-25 Make further changes
SC-25 Remove BalanceDao
SC-25 Add further changes
SC-25 Add further changes
SC-25 Add further changes
SC-25 Add further changes
SC-25 Add further changes
SC-25 Build fix
SC-25 Further changes
SC-25 Further changes
SC-25 Further changes
SC-25 Further changes
SC-25 Build fix
SC-25 Further changes
SC-25 Further changes
SC-25 Further changes