Merge branch 'prep-release-3.0.11'

* prep-release-3.0.11: (279 commits)
  [prep-release-3.0.11] Bumping version number for 3.0.11 final.
  [prep-release-3.0.11] Update Changelog for 3.0.11-RC2 release.
  [prep-release-3.0.11] Bumping version number for 3.0.11-RC2.
  [ticket/10965] Profile data is only grabbed when show_novalue is enabled
  [ticket/10965] Make sure all profile fields are always grabbed on viewtopic
  [ticket/10965] Database update was referring to 3.0.5 instead of 3.0.11-RC1
  [ticket/10965] Introduce a new profile field option to display no value
  [ticket/10667] Fix tests under MySQL 5.5 strict mode (once again)
  [ticket/10950] Fix grammar in comments
  [ticket/10950] Delete PMs for users that have not yet read the pm
  [ticket/10950] Fix unit tests to fit the new pm deleting behaviour
  [ticket/10950] Update undelivered pm counts in batches not 1 by 1 for each user
  [ticket/10950] Remove deleted entries in tests instead of commenting them out
  [ticket/10950] Use database count() and group by instead of doing that in php
  [ticket/10978] Fix typo in prosilver ucp_groups_membership.html
  [ticket/10950] Check $delete_ids to be not empty
  [ticket/10950] Recreated the behaviour of phpbb_delete_user_pms()
  [ticket/10950] Fix unit tests to reflect desired behaviour
  [ticket/10441] Make CDB linking more consistent
  [ticket/10937] Update documentation to say which comment styles are removed.
  ...
[ticket/11553] Move bulletin points to pseudo class

Move bulletin points for .linklist lists to pseudo class
Group pseudo classes for .linklist.bulletin and .icon-notification

PHPBB3-11553
[ticket/11553] Replace bullet with unicode

PHPBB3-11553
[ticket/11553] Typo

PHPBB3-11553
Merge remote-tracking branch 'upstream/master' into develop
Merge remote-tracking branch 'upstream/develop' into develop
Merge pull request #1429 from cyberalien/ticket/11553

Move bulletin points for linklist lists to pseudo classes
[ticket/11675] Fix template loop

PHPBB3-11675
Merge pull request #1554 from EXreaction/ticket/11675

[ticket/11675] Fix template loop
[ticket/11692] Don't update search_type in dev migration if already appended

PHPBB3-11692
[ticket/11694] Do not locate assets with root path

Do not locate assets that start with ./

PHPBB3-11694
Merge remote-tracking branch 'cyberalien/ticket/11694' into develop

* cyberalien/ticket/11694:
  [ticket/11694] Do not locate assets with root path
Merge pull request #1555 from EXreaction/ticket/11692

[ticket/11692] Don't update search_type in dev migration if already appended
[ticket/11698] Moving all autoloadable files to phpbb/

PHPBB3-11698
Merge pull request #1559 from naderman/ticket/11698

[WIP][ticket/11698] Moving all autoloadable files to phpbb/
[ticket/11696] Rename db_tools.php so it can be autoloaded

PHPBB3-11696
[ticket/11696] Remove manual loading of db_tools in extension controller test

Remember to store the file, before commiting it...

PHPBB3-11696
[ticket/11696] Rename constructor to __construct()

PHPBB3-11696
[ticket/11696] Move file to new directory

PHPBB3-11696
Merge pull request #1558 from nickvergessen/ticket/11696

[ticket/11696] Rename db_tools.php so it can be autoloaded