Upgrade to alpine 3.6

(cherry picked from commit 0f66438)

E-series should not choose a default media type

Choosing hdd for a default media type prevents Trident from
installing on an EF-series (all-flash) array.

ontap-nas-economy fixes for 17.10.1

Making qtree delete idempotent as needed by Trident
Allow deleting qtrees with really long names

Update changelog

Increase qtrees per Flexvol from 100 to 200

CHANGELOG update for v17.10.0-beta.0 release

Rancher updates for latest nDVP version.

(cherry picked from commit ef0156e)

Release 17.07.0

Update CHANGELOG.md

Release version 17.04.0