Punyelroo

Major changes

• Antarctic stations reporting with a valid .json file are now included in
  internal database

Minor changes

• Fix typo in DESCRIPTION, Scott's ORCID wasn't given as a full URL

• Update authors in vignettes to credit everyone who helped write them

• Update vignette style to use normal vignette style with table of contents

• Fix error in vignette that referred to update_forecast_locations(), it
  should instead refer to update_forecast_towns()

• Update internal stations list with latest data from BoM

Bug fixes

• Fix issue where updating internal stations would fail