FIX: Nanobot cleanup, bugfixes, and features

FIX: Nanobot cleanup, bugfixes, and features

This change applies numerous cleanups and fixes to the "nanobot" robot
implementation and some testsuites/libraries.  Among them:

o Nanobot now requires the common configuration template from the RIC
  platform
o The nanobot configmap generation process was simplified and extended
  to allow multiple source trees for its configmaps
o It is now possible to exclude tests by tag in values.yaml

Outside the nanobot:
o Numerous testsuite/resource file bug fixes and cleanups were applied

Signed-off-by: dave kormann <dk3239@att.com>
Change-Id: I6f8910530fb70edb38e84c85e2188b519aba8a5a