Branches for Wily Werewolf

Author: James Page
Revision Date: 2016-07-06 15:29:05 UTC

Resync charmhelpers for licensing change

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: I1892c43d52cf7474596f5896c210961ee735e8aa