Cosmetic Fix: Add extra icon_states to head.dmi

Fix paper hats not appearing on heads when paper has words (icon_state =
'paper_words')
Merge branch 'master' into paperhatfix
Add extra icon_states to corgi_head.dmi

may aswell update the corgi dmi too
Merge pull request #429 from p440/paperhatfix

Cosmetic Fix: Add extra icon_states to head.dmi