[ticket/12645] Replace support links in SUPPORT_BODY with 3.1 links

PHPBB3-12645
[ticket/12784] Allow the extensions to add a custom auto loader

PHPBB3-12784
[ticket/12120] Add nicofuma to the developers

PHPBB3-12120
Merge pull request #2685 from nickvergessen/ticket/12120

[ticket/12120] Add nicofuma to the developers

* nickvergessen/ticket/12120:
  [ticket/12120] Add nicofuma to the developers
Merge branch 'develop-olympus' into develop-ascraeus

* develop-olympus:
  [ticket/12120] Add nicofuma to the developers

Conflicts:
	phpBB/docs/AUTHORS
Merge remote-tracking branch 'nickvergessen/ticket/12645' into develop-ascraeus

* nickvergessen/ticket/12645:
  [ticket/12645] Replace support links in SUPPORT_BODY with 3.1 links
Merge pull request #2674 from Nicofuma/ticket/12784

[ticket/12784] Allow the extensions to add a custom auto loader

* Nicofuma/ticket/12784:
  [ticket/12784] Allow the extensions to add a custom auto loader