…o detached-route-creation

* 'master' of https://github.com/wheresrhys/fetch-mock: (29 commits)
  browsers again
  aaargh - lint!
  fix a test that should've always failed reallyI guess node 15 is stricter about some things
  revert to old browsers docker image
  correct browser docker image name
  babel config file name chamnge
  hopefully fix all failnig jobs
  install browsers
  use lts and current aliases for images
  fix some docker image names
  fix invalid circleci config
  remove babelifying from karma testsbrowsers are good enough nowadays
  update node versions tested on
  reference new bable plugins from karam config
  setup babel correctly
  stop relying on transform runtime plugin in node6 test
  install babel core
  upgrade babel
  fixed type errors in a way which is looser, but definitely backwasrd compatible
  update Promise type to use new PromiseLike type
  ...