Add support for rancher 1.6 API

- New ansible module to handle rancher API
- Setting up of the cattle db and log related options
  to achieve lower space usage.

As of this moment it does what was intended:
- it setups new values for db and log related options
- it can be used for any other setting options

Change-Id: I25048469df0cb035cc6eac39740210cdfa175ada
Issue-ID: OOM-1681
Signed-off-by: Petr Ospalý <p.ospaly@partner.samsung.com>
3 files changed