centralized notify (example - try save railcar vs name)
Merge pull request #249 from olga-jane/O_Morozova

O Morozova add serializable entities
implement notify interface

constructor injection in singletone scope
Merge pull request #253 from olga-jane/O_Morozova

set active for new pipe SizeType and  Inspection operation
Merge pull request #255 from olga-jane/Notify

Notify
Merge pull request #259 from olga-jane/master

Update O_Morozova