[geeklog-hg] [Geeklog-Core/geeklog] 953189: Fixed Oauth issue dealing with same usernames with...

[Tom]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: 9531897b72e2760bcbba2c904d72ca9fa670811f
      https://github.com/Geeklog-Core/geeklog/commit/9531897b72e2760bcbba2c904d72ca9fa670811f
  Author: eSilverStrike <eSilverStrike at users.noreply.github.com>
  Date:   2020-04-04 (Sat, 04 Apr 2020)

  Changed paths:
    M system/classes/oauthhelper.class.php

  Log Message:
  -----------
  Fixed Oauth issue dealing with same usernames with accents

For #1054. Also trims username now if larger than 16 characters (since that is all the room we have) and then check for duplicates.