ISPN-3480 Use protoparser lib instead of relying on binary descriptors g...

...enerated by protoc

https://issues.jboss.org/browse/ISPN-3480

For review only, as it still depends on protostream 2.0.0-SNAPHOST

Just wondering how are the other cluster nodes being updated after new files are added? Also, are the already existing (persistent contents of cluster registry) handled?