Merge branch 'username-underscores' into 'develop'
authorlambda <pleromagit@rogerbraun.net>
Thu, 13 Dec 2018 15:13:24 +0000 (15:13 +0000)
committerlambda <pleromagit@rogerbraun.net>
Thu, 13 Dec 2018 15:13:24 +0000 (15:13 +0000)
Allow underscores/dashes in usernames.

Closes #429

See merge request pleroma/pleroma!537


Trivial merge