[ticket/13124] Also trim spaces in front of comments except for first line

PHPBB3-13124
[ticket/13124] Fix tests for event exporter

PHPBB3-13124
[ticket/12530] Fix captcha challange image breaking responsive layout

PHPBB3-12530
[ticket/12530] Show logo and policy in responsive

PHPBB3-12530
[ticket/13124] Add another test case as requested

PHPBB3-13124
[ticket/13163] Fix responsive link lists

PHPBB3-13163
[ticket/13163] Terminate timely when no data-last links exist

PHPBB3-13163
[ticket/13174] Add missing closing </div> to ucp_pm_viewmessage

PHPBB3-13174
[ticket/12796] Add view own profile to UCP (and vice versa)

PHPBB3-12796
[ticket/12796] Use &amp; in path

PHPBB3-12796
Merge remote-tracking branch 'PayBas/ticket/13174' into develop-ascraeus

* PayBas/ticket/13174:
  [ticket/13174] Add missing closing </div> to ucp_pm_viewmessage
[ticket/13177] Fix display of post count-based ranks in viewtopic.

PHPBB3-13177
[ticket/12530] Combine logo and TOS link into one

PHPBB3-12530
[ticket/13163] Check for images

PHPBB3-13163
[ticket/12796] Use dedicated lang vars

PHPBB3-12796
[ticket/13169] Fix RTL forms in responsive mode

PHPBB3-13169
Merge pull request #3036 from prototech/ticket/13177

[ticket/13177] Fix display of post count-based ranks in viewtopic.
Merge pull request #3024 from marc1706/ticket/13124

[ticket/13124] Also trim spaces in front of comments except for first line
Merge pull request #2938 from PayBas/ticket/12530

[ticket/12530] Fix captcha challange image breaking responsive layout
Merge pull request #3037 from PayBas/ticket/13169

[ticket/13169] Fix RTL forms in responsive mode