Replace my serializable with Google Protocol Buffers. Delete obsole serialization tests an port Identity class to Protocol Buffers.
Add Protocol Buffers messages description.
Update MulticastService to work with new Identity implementation.
Improve Buffef getters, so they now accept offset as argument.
Fix bug in Buffer::get_size().
Port MulticastHeader to Protocol Buffers.
In ParticipantCore properly handle situations when dropped role is participant's last role.
Fix bug in MainWindow::ParticipantRow::update().
Update code to work properly with new version of MulticastHeader.
Fix checking magic stricg in MulticastService::socket_descriptor_input_event_callback().
Clean up and harder code a bit.
Port netwrosk packets to Protocol Buffers.
Move FUSE related request/response classes to VirtualFileSystem class.
Remove Response and Request class and port more code from ReadDirectory to VirtualFileSystem::ReadDirectoryOperation.
Delete constructors and assigment operators in VirtualFileSystem.
Introduce new class FileSystem and delete ReadDirectory class.
Merge branch 'protocol_buffer'

Conflicts:
	src/Makefile.am