* charm-helpers sync for classic charms
* build.lock file for reactive charms
* ensure tox.ini is from release-tools
* ensure requirements.txt files are from release-tools
* On reactive charms:
- ensure stable/21.04 branch for charms.openstack
- ensure stable/21.04 branch for charm-helpers
Change-Id: If9e43dad6b3addaea2a6587763b8e9d718bc861a
The charm-helpers project have re-licensed to Apache 2.0
inline with the agreed licensing approach to intefaces,
layers and charms generally.
Resync helpers to bring charmhelpers inline with charm
codebase.
Change-Id: Id34d182bd1804072e11c26fd5e426c3be18b1847
Add support for OpenStack Newton and Ocata.
Rework version detection code to just match on major version for
OpenStack projects using semantic versioning.
Provide fallback version detection based on major.minor versions
for swift packages.
Rework config-flags support helpers.
Fix is_ip function to correctly detect both IPv4 and IPv6 addresses.
Change-Id: If8a2da9d6ef99591a3cfbc1b00da4656c1f26c7f
Alex Kavanagh