Merge branch 'develop'

* develop:
  Made the mannequin and armourer use the players normal skin even if the naked one is active.
  Fixed the colour picker giving the wrong on the skirt body part.
  Fixed the colour picker giving the wrong colour when used on body parts.
  Fixed items in the libraries output slot being replaced.
  Reset heldItemRight when rendering the chest model.
  Changed the size of the skirt and weapon armour.
  Removed unused code.
Build 0.20.3
Fixed the mannequin and armourer rendering strange if the skin download failed.
Build 0.20.4
Updated build.gradle file.