- Add checking of user rights to execute methods using polkit.
- Data from alterator-manager is now transferred not in a GHashTable,
  but in a structure ManagerData.
- Add check for the correctness of the interface name in a backend file.
- Add check for the correctness of the node name in a backend file.
- Add automatic addition of prefix 'ru.basealt.alterator.' to the interface
  name from a file.
- Update docs/README-ru.md.