Refactoring: make works.
Extracted server common client to the top of server project.
Updated tests of server executable.
Fix build of builtin_server_addon.
Removed tests from Makefile in services_registry_addon.
Updated building of services_registry.
Fixed initializing and stopiing addon if addon throws.
Refactored and reorganized.
Fixed tests of opcuaserver - didn'tload tests addon. Removed tests op client library.
Fixed printing help message in opcuaserver: it had printed help message, starts server and didn't exit.
Removed duplicate code of opcua binary protocol addon. Endpoint tried tocreate twice.
tcp_server wasnt able to start because on connect was error about unresolved symbol.
Updated server.config for successfull starting of server.