Submodule src/lib/troopjs-core 2b46324..9dee204:
  > Fix lint errors.
  > Remove command.
  > Don't need (or have) jQuery here.
  > Modify tests to call `assert(true)` in the end (to pass the test)
  > Added tests for the logger service.
  > Updated the logger service to use appenders.
  > Merge remote-tracking branch 'lupincn/feature/logger' into HEAD