EventCheckReplyCommand now also works as a simple synchronous check without reply
Kafka module now works with protobuf like in key-value db module via <protobuf> tag
Added support for descriptor/descriptors attribute in <protobuf> tag. It is needed, when declaring only class of protobuf entity is not enough for serializing
Some code cleanup related to project code conventions
EventCheckReplyCommandnow also works as a simple synchronous check without reply<protobuf>tagdescriptor/descriptorsattribute in<protobuf>tag. It is needed, when declaring only class of protobuf entity is not enough for serializing