[ticket/12551] Float breadcrumbs to the right in RTL languages.

PHPBB3-12551
[ticket/12549] Hide topic/forum list <dfn> tags in RTL languages.

PHPBB3-12549
[ticket/12550] Prevent last post column from jumping to second line in RTL.

PHPBB3-12550
[ticket/12586] Use dot filter when trying to find available extensions

PHPBB3-12586
[ticket/12586] Limit depth to 2, we require vendor/extension/ext.php

PHPBB3-12586
Merge pull request #2491 from nickvergessen/ticket/12586

Ticket/12586 Filter files and depth when looking for extensions

* nickvergessen/ticket/12586:
  [ticket/12586] Limit depth to 2, we require vendor/extension/ext.php
  [ticket/12586] Use dot filter when trying to find available extensions
Merge pull request #2466 from prototech/ticket/12550

[ticket/12550] Prevent last post column from jumping to second line in RTL.

* prototech/ticket/12550:
  [ticket/12550] Prevent last post column from jumping to second line in RTL.
Merge pull request #2467 from prototech/ticket/12551

[ticket/12551] Float breadcrumbs to the right in RTL languages.

* prototech/ticket/12551:
  [ticket/12551] Float breadcrumbs to the right in RTL languages.
Merge pull request #2465 from prototech/ticket/12549

[ticket/12549] Hide topic/forum list <dfn> tags in RTL languages.

* prototech/ticket/12549:
  [ticket/12549] Hide topic/forum list <dfn> tags in RTL languages.