Retina was always loading font weight 300 (well, 400, but displaying as 300). We want 300 and not 400 so ensure 300 is loaded
Merge branch 'bugfix/fontweight' into develop

* bugfix/fontweight:
  Retina was always loading font weight 300 (well, 400, but displaying as 300). We want 300 and not 400 so ensure 300 is loaded