Changes
* Feature: Azurearm provisioning (!457)
* Feature: Improved Windows support
* Feature: Granular Notification Overrides (!460)
* Feature: Resize machine action for EC2, DigitalOcean, OpenStack
* Bugfix: Fix lock bug https://gitlab.ops.mist.io/mistio/mist.core/issues/1221 (!454)
* Bugfix: Properly read cost from tags for generic (non-libcloud) machines
* Bugfix: Fix ping parsing
* Bugfix: Fix poller computed property
* Change: Update xterm.js & fix shell display issues
* Change: Improve display of probe data
* Change: Exclude audit log ES templates (!473)
* Change: Run tests with headless Chrome (!442)
* Change: New rules models (!472)
* Change: Sso refresh token (!461)
* Change: Update docker/nginx/nginx.conf (!459)
* Change: Move ES template for cloudify-metrics to mist.io/docker/elasticsearch-manage (!458)