Move CAN bus logging into the can namespace.
Fix test suite name.
Add a utility module for calculating stats - min, max, moving average.
Add a helper for delta statistics.
Log bus statistic with an exponential moving average.
Test compiling with statistics logging enabled.
Only support integer stats for optimized performance.
Refactor pipline stats to use new statistics module.
Fix a few statistics log string formatters.
Fix pipeline data statistics logging.
Log CAN queue sizes - always zero, so probably not useful.
Revert "Log CAN queue sizes - always zero, so probably not useful."

This reverts commit 8d91ecf1818adc1c65c73c580442b6c09e13f9f7.