Taken from PR 200125 with minor modifications.
Proposed commit message:
new port: graphics/rubygem-gemojione Gem comtaining EmojiOne unicode/image assets WWW: https://github.com/jonathanwiesel/gemojione PR: 200125 Submitted by: Torsten Zuehlsdorff <ports@toco-domains.de> Approved by: swills (mentor), mat (mentor)