use support_dscp flag to populate group_bys dict using either 'dsc' or 'qos'
use supported_versions to check either 'dscp' or 'qos' should be used
remove debugging code
Beta of new percentile.py example
pep8 tweaks
fixed typo
More tweaks
Little bugfix
More tweaks and small bugfixes.
More tweaks
More tweakage
bugfix
More tweakery
More tweakery
Tweaks
Merge branch 'master' of https://gitlab.lab.nbttech.com/steelscript/steelscript-netprofiler