fix: enable CSI addons on upgrade when appropriate (Azure#2347)

* fix: enable CSI addons on upgrade when appropriate

* test: add coverage for 1.16 upgrade w/ UseCloudControllerManager

fix: correct defaults order for setting IPAddressCount (Azure#2358)

fix: support cloud-node-manager in k8s 1.16 (Azure#2330)

* fix: support cloud-node-manager in k8s 1.16

* test: look for cloud-node-manager and friends in e2e pod test

* fix: sync up go-bindata version locally and regenerate

* fix: use bool cast in test case

fix: remove support for v1.13.12, v1.14.8, v1.15.5, v1.16.2

See Azure#2312

fix: Change Azure CNI default version to match latest windows vhd (Az…

…ure#2271)

chore: rev VHD images to 2019.10.24 (Azure#2222)

* chore: rev VHD images to 2019.10.15

* fixed typo

* fixed notes for 18.04

fix: run all CSE apt-get purge operations in background (Azure#2196)

fix: run all CSE apt-get purge operations in background (Azure#2196)

fix: ensure cni conf json is valid when exception list contains a sin…

…gle address (Azure#2157)

fix: revert 'trust Azure Stack's CA cert before pre-provision extensi…

…ons' (Azure#2135)