Adds a link to home when clicking on the logo

We improved the Dashboard navigation by linking the logo at the top left of every page to the app listing making it easier find our way home.

The duration for running commands was sometimes calculated incorrectly resulting in incorrect or negative values. This change fixes the duration column to correctly indicate the duration of a running command.

Changes the search link in the Help Center to show results from the `docs.wivip.com` site

On logout from the Dashboard (https://dashboard.wpvip.com), fullly invalidate the current token in the API and logout from any other sessions as needed

Fix the Webpack dev server to use ws instead of sockjs-node to avoid erroring out from a bug in sockjs after the upgrade to webpackDevServer v3.11.0

Use mapped theme color instead of trying to access the (nonexistent) settings property.

#vip-dashboard

We’ve added a CI job that will publish changelog posts whenever new features and fixes are merged into the VIP Dashboard. You can now expect more posts like this soon.

#vip-dashboard