[ticket/11438] Update sphinx.sample.conf to one provided by config_generate()

PHPBB3-11438
[ticket/11438] Move backslash to concatenate the query strings correctly

Was broken in 03d2c6413c25b1faf7f37ff20625ce986b19eb88

PHPBB3-11438
[ticket/11438] Add empty sql_query_pre to delta-source

PHPBB3-11438
[ticket/11438] Add helpful comments from sample config to ACP output

PHPBB3-11438
[ticket/11438] Add spaces after # comment start and before \ line breaks

PHPBB3-11438
[ticket/11460] Drop incorrect phpbb_notification_{type,method}_ prefix.

PHPBB3-11460
Merge PR #1298 branch 'nickvergessen/ticket/11438' into develop

# By Joas Schilling
# Via Joas Schilling
* nickvergessen/ticket/11438:
  [ticket/11438] Add spaces after # comment start and before \ line breaks
  [ticket/11438] Add helpful comments from sample config to ACP output
  [ticket/11438] Add empty sql_query_pre to delta-source
  [ticket/11438] Move backslash to concatenate the query strings correctly
  [ticket/11438] Update sphinx.sample.conf to one provided by config_generate()
[ticket/11460] Add methods for checkbox handling to phpbb_functional_test_case.

PHPBB3-11460
[ticket/11460] Add test for whether post_email and topic_email are checked.

PHPBB3-11460
[ticket/11460] Configure functional test board email using dummy SMTP data.

PHPBB3-11460
[ticket/11460] Add default behaviour tests for notification and email types.

PHPBB3-11460
[ticket/11448] Use of $user_id parameter to mark a user's notifications read

Currently, the $user_id is a parameter but is not used. This patch fixes that.

PHPBB3-11448
[ticket/11466] Remove old database driver files from PHPUnit exclude

As per the ticket comments, these can simply be removed, rather than having to
be renamed to the new file locations.

PHPBB3-11466
Merge pull request #1319 from imkingdavid/ticket/11466

[ticket/11466] Remove old database driver files from PHPUnit exclude
Merge pull request #1318 from imkingdavid/ticket/11448

[ticket/11448] Use of $user_id parameter to mark a user's notifications read
Merge remote-tracking branch 'github-bantu/ticket/11460' into develop

* github-bantu/ticket/11460:
  [ticket/11460] Add default behaviour tests for notification and email types.
  [ticket/11460] Configure functional test board email using dummy SMTP data.
  [ticket/11460] Add test for whether post_email and topic_email are checked.
  [ticket/11460] Add methods for checkbox handling to phpbb_functional_test_case.
  [ticket/11460] Drop incorrect phpbb_notification_{type,method}_ prefix.
[ticket/11476] Remove pass-by-reference from sql_mutli_insert

The method never writes to the array passed by reference. So it can be
passed by value instead to avoid certain problems.

PHPBB3-11476
Merge remote-tracking branch 'nickvergessen/ticket/11476' into develop

* nickvergessen/ticket/11476:
  [ticket/11476] Remove pass-by-reference from sql_mutli_insert