1 Download and install a clean eclipse-jee-2019-06
3 In gradle.properties edit `jalviewjs_eclipse_root` to point to the root dir. DO NOT include the Eclipse.app folder in the path (up to this point, but not the .app folder) if it's the macOS version.
6 gradle tasks of interest:
8 `jalviewjs` (should do everything)
10 jalviewjsTranspile (should run a new eclipse compile+transpile)