[ticket/13280] Properly format the current page and add sanitizer to tests

PHPBB3-13280
[ticket/13280] Add additional sanitizer for ampersands in server superglobal

PHPBB3-13280
[ticket/13280] Seperate server sanitizer call and add comment

PHPBB3-13280
[ticket/13280] Only run sanitizer for server superglobal and modify tests

PHPBB3-13280
[ticket/13303] Speed up migration dependency calculation.

PHPBB3-13303
[ticket/13270] Make m_softdelete perm global for boards updated from 3.0.12.

PHPBB3-13270
Merge pull request #3118 from prototech/ticket/13270

[ticket/13270] Make m_softdelete perm global for boards updated from 3.0.12.

* prototech/ticket/13270:
  [ticket/13270] Make m_softdelete perm global for boards updated from 3.0.12.