Merge changes from topic 'coala'

* changes:
  Initial coala delint (global templates)
  Initial coala delint (ecompsdkos)
  Initial coala delint (ui)
  Initial coala delint (scripts)
  Initial coala delint (packer)
  Initial coala delint (portal)
  Initial coala delint (policy)
  Add configuration in prep to enable coala and tox