[ticket/12671] Possibility to use NOT LIKE expression

PHPBB3-12671
[ticket/12794] Properly validate google+ field against valid character set

PHPBB3-12794
[ticket/12671] Possibility to use NOT LIKE expression

PHPBB3-12671
[ticket/12671] Possibility to use NOT LIKE expression

PHPBB3-12671
[ticket/12671] Possibility to use NOT LIKE expression

PHPBB3-12671
[ticket/12938] Remove the 'Download all attachments' feature.

PHPBB3-12938
[ticket/12943] Add core.phpbb_generate_debug_output core event

Add core.phpbb_generate_debug_output core event to allow extensions
outputting additional debug info.

PHPBB3-12943
[ticket/12953] Page title not updated when notifications are marked as read

PHPBB3-12953
[ticket/12671] Possibility to use NOT LIKE expression

PHPBB3-12671
[ticket/8064] Change the collation of topic_first_poster_name

PHPBB3-8064
[ticket/12938] Remove functional tests for 'Download all attachments'.

PHPBB3-12938
[ticket/12956] Ensure the contact columns have been added before using them

PHPBB3-12956
Merge remote-tracking branch 'github-nicofuma/ticket/8064' into develop-ascraeus

* github-nicofuma/ticket/8064:
  [ticket/8064] Change the collation of topic_first_poster_name
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/8064] Change the collation of topic_first_poster_name
[ticket/12958] Remove subsilver2 for phpBB 3.2

PHPBB3-12958
[ticket/12958] Remove more references of subsilver2

PHPBB3-12958
Merge pull request #2852 from bantu/ticket/12938

[ticket/12938] Remove the 'Download all attachments' feature.

* bantu/ticket/12938:
  [ticket/12938] Remove functional tests for 'Download all attachments'.
  [ticket/12938] Remove the 'Download all attachments' feature.
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12938] Remove functional tests for 'Download all attachments'.
  [ticket/12938] Remove the 'Download all attachments' feature.
Merge remote-tracking branch 'nickvergessen/ticket/12958' into develop

* nickvergessen/ticket/12958:
  [ticket/12958] Remove more references of subsilver2
  [ticket/12958] Remove subsilver2 for phpBB 3.2
Merge pull request #2855 from Geolim4/ticket/12953

[ticket/12953] Page title not updated when notifications are marked as read

* Geolim4/ticket/12953:
  [ticket/12953] Page title not updated when notifications are marked as read