Added some metadata to query fields, including query ID parameters and a success field.
Changed path for golang protobuf compiler.
Logging now uses query ID's that are shared between the frontend and backends.
Added some comments.
gofmt cleanup
One more gofmt cleanup
Serving-side game ID's are now 32-bit instead of 64-bit. Packer maps game ID's to low numbers so that up to 2^32 games can be supported.
Also deleted a bunch of really old files.