- The result JSON now includes the benchmark client version, and as a
result the schema version has been bumped to 1. This version is not
checked yet on the server, so it's at the moment purely cosmetic.
- Latest version of the Benchmark Client is configured in
LATEST_CLIENT_VERSIONS['BENCHMARK']. This allows us to have different
clients with different latest versions.
- An empty string as 'latest version' disables the version check altogether.
This allows us to push to the production servers before we release the
client version that actually includes the version information.