Branches for Vivid Vervet

Author: James Page
Revision Date: 2016-07-06 15:29:43 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: I9ab9a5d8801536e68e3ee672be0cc9accdb5fd9a