* charm-helpers sync for classic charms
* rebuild for reactive charms
* ensure tox.ini is from release-tools
* ensure requirements.txt files are from release-tools
* On reactive charms:
- ensure master branch for charms.openstack
- ensure master branch for charm-helpers
Change-Id: Idcc7cd4b1563ae65cec0e5d7ef3203dc97af5c09