SRZ: implement macro for generating serialization impl for interfaces
SRZ: implement macro for generating serialization impl for interfaces

heap_allcoator< T > specializaed so that BS-type created by string name
instead of bs_type(). That allows creation of interfaces via most
derived class

uentity/bluesky,uentity/bluesky,uentity/bluesky,uentity/bluesky,uentity/bluesky