v1.5.17

API Changes

Client side:

• Move SHED from pub/sub to custom events and deprecated wc/dom/shed.subscribe #1665
• Changed return value of wc/dom/event.add and wc/Observer.subscribe to return handle objects which can
  be passed to the corresponding remove and unsubscribe methods (which therefore also have changed) #1664.

Enhancements

• Bring wcomponents-theme out from the land of java build tools into the promised land of nodejs based build scripts #1492.
• Added "theme-watch" compile on change for Sass, JS etc
• Added hot-module live reloading for theme Sass, JS, etc in development mode.
• PhantomJS replaced with Firefox Headless for selenium testing #1650.
• Upgrade theme testing library from Intern 3 to Intern 4 #1653
• Fetch JS libraries from NPM instead of including in source #1658
• Update event manager to allow limited recursive firing #1667
• Update Eslint from 3.19.0 > 6.4.0 (this touched a LOT of files) #1672
• Use yarn for client side build instead of npm.
• WTableColumn now supports a column footer renderer #1645.

Bug Fixes

• Work around "shift + keyboard click" broken in Firefox #1647.
• Fix broken imageEdit #1657
• Stop browsers complaining about prefetch links #1662.