[ticket/13066] Add search results core event to modify search title

PHPBB3-13066
Merge pull request #2952 from rxu/ticket/13066

[ticket/13066] Add search results core event to modify search title

* rxu/ticket/13066:
  [ticket/13066] Add search results core event to modify search title
[ticket/13062] Fix name of "ORDER_BY" key in SQL array

PHPBB3-13062
Merge pull request #2970 from nickvergessen/ticket/13062

[ticket/13062] Fix name of "ORDER_BY" key in SQL array

* nickvergessen/ticket/13062:
  [ticket/13062] Fix name of "ORDER_BY" key in SQL array
Merge remote-tracking branch 'phpbb-core/develop-ascraeus'

* phpbb-core/develop-ascraeus:
  [ticket/13062] Fix name of "ORDER_BY" key in SQL array
  [ticket/13066] Add search results core event to modify search title