[ticket/13061] Replace the service event.subscriber_loader by a compiler pass
* Nicofuma/ticket/13061:
[ticket/13061] Replace the service event.subscriber_loader by a compiler pass
[ticket/13064] Validate the migrations provided to migrator::set_migrations()
* Nicofuma/ticket/13064:
[ticket/13064] Validate the migrations provided to migrator::set_migrations()
[ticket/13044] Expires header violates RFC 2616
* Senky/ticket/13044:
[ticket/13044] Move GMT out of gmdate in functions_acp
[ticket/13044] Move GMT out of gmdate()
[ticket/13044] \G\M\T to GMT in whole project
[ticket/13044] move GMT string out of gmdate()
[ticket/13044] Correct Expires headers
$timezone contains the original jQuery object, therefore the subsequent
removal of the optgroup children while filtering has no effect on the
$replacement object - the one that's now visible to the user. We'll simplify
and fix this by injecting the content of the copy instead of going through the
trouble of cloning it.
PHPBB3-13069
[ticket/13018] Remove duplicate logic in confirm box and alert box handling.
* prototech/ticket/13018:
[ticket/13018] Clean up and fix some logic.
[ticket/13018] Do not handle events in close function.
[ticket/13018] Reduce the delta further.
[ticket/13018] Remove duplicate logic in confirm box and alert box handling.
[ticket/13056] Move the arguments of the request class to the DI
* Nicofuma/ticket/13056:
[ticket/13056] Move the arguments of the request class to the DI
* PayBas/ticket/10472:
[ticket/10472] Remove dd selector and use -moz-padding-end
[ticket/10472] Fix weird padding on input type=number
[ticket/10472] More clearing and white-space fixes
[ticket/10472] Fix ACP overflow:hidden problem for medium-sized screens
The callback does not actually do anything when cancelling the confirmation
box so we can avoid calling it altogether when cancel is clicked.
PHPBB3-13018
This ensures a more consistent handling of the various closing/opening actions
and fixes some bugs where certain event handlers are not turned off in certain
instances.
PHPBB3-13018
[ticket/13019] Always accept a reason for deleting a post/topic.
* prototech/ticket/13019:
[ticket/13019] Do not hide reason field when deleting permanently.
[ticket/13019] Rename deletion reason label.
[ticket/13019] Always accept a reason for deleting a post/topic.
Added a non-breaking space to remove the following warning:
**Empty heading.**
```html
<h3 class="alert_title"></h3><p class="alert_text"></p>
```
PHPBB3-13040