Features:
 - UI Redesign!  New look and feel for the management side of Cyclotron

 - JSON Widget: New Widget which displays pretty-printed JSON data

 - Prometheus Data Source: New Data Source for connecting to Prometheus

 - Search: Additional advanced search terms, e.g. createdby:<user>

 - CacheEncryptedPassword: Add optional setting that stores the user's encrypted password in local memory after logging in, allowing Data Sources to authenticate using the credentials of the current user, rather than a hardcoded account (note: this is disabled by default)

 - "Likes" replaced with "Stars"

 - Numerous upgrades to the build pipeline, including Gulp 4.0, Karma 3.x, etc.

Bug Fixes:
 - Sessions: restore sessions correctly when deeplinking to the /help page

 - Upgraded angular-ui-router to resolve issues where the entire site would reload on navigation changes

Breaking Changes:
 - Upgraded from Jade to Pug; renamed file extensions accordingly