It's difficult to use a berg.scheduler.workerProxy because of file path issues

[colinbdclark]

Currently, the berg.scheduler.workerProxy requires a separate JavaScript file to be loaded into the worker (which includes Infusion and everything else needed by Bergson). When consuming Bergson as an npm module and using its dist/bergson-only.js file, the worker's JavaScript file is not found, and a user has to override this value (which is difficult in the case where the client of Bergson is itself a framework).