[ticket/11924] Bring layout of events.md to one style

PHPBB3-11924
[ticket/11924] Add script to export events.md with wiki markup

PHPBB3-11924
[ticket/11924] Add version info of template events to events.md

PHPBB3-11924
[ticket/11924] Reduce unneccessary load

PHPBB3-11924
[ticket/11924] Add option to export php event list

PHPBB3-11924
[ticket/11924] Fix some minor issues with the php event docs

PHPBB3-11924
[ticket/11924] Remove duplicated code

PHPBB3-11924
[ticket/11916] Remove files from hidden attach list after deletion

The hidden attachment_data list needs to be updated if a file got removed.
This was not done until now and caused a general error after submitting a
post if a file was removed after uploading it.

PHPBB3-11916
Merge remote-tracking branch 'Marc/ticket/11916' into develop

* Marc/ticket/11916:
  [ticket/11916] Remove files from hidden attach list after deletion
[ticket/11872] Template syntax typos in oauth templates

PHPBB3-11872
Merge remote-tracking branch 'cyberalien/ticket/fixes-only/11872' into develop

* cyberalien/ticket/fixes-only/11872:
  [ticket/11872] Template syntax typos in oauth templates
[ticket/11138] Increase AJAX timeout period to 15 seconds.

PHPBB3-11138
[ticket/11138] Do not use AJAX for ACP resync features.

PHPBB3-11138
Merge remote-tracking branch 'prototech/ticket/11138' into develop

* prototech/ticket/11138:
  [ticket/11138] Do not use AJAX for ACP resync features.
  [ticket/11138] Increase AJAX timeout period to 15 seconds.
  [ticket/11872] Template syntax typos in oauth templates
[ticket/11956] Responsive AJAX alerts

PHPBB3-11956
[ticket/11956] Add assets_version to responsive.css link

PHPBB3-11556
[ticket/11956] Fix member list page

PHPBB3-11956
[ticket/11956] Scale down large avatars

Prevent large avatars from breaking layout on any resolution.

PHPBB3-11956
[ticket/11956] Scale down online image for HD display

Scale down online image for HD displays

PHPBB3-11956
[ticket/11956] Hide author on mobile devices

Hide duplicate author name in posts on mobile devices

PHPBB3-11956