[ticket/11025] Replace <b> with <strong> and/or class for semantic styling

PHPBB3-11025
[ticket/11025] Replace <b> with <strong> and/or class for semantic styling in subsilver2

PHPBB3-11025
[ticket/11025] Add underline for hover to classes

PHPBB3-11025
Merge pull request #924 from VSEphpbb/ticket/11025

[ticket/11025] Make last topic titles in forum list Bold
[ticket/10970] Added missing initialisations and modified the regex

Non-existent variables now become empty strings.

PHPBB3-10970
[ticket/10970] Fixed a problem with prepending root paths

PHPBB3-10970
[ticket/11004] Always update suggestion button in timezone_preselect_select

Suggestion must also be updated when the suggestion is selected at first,
so we can display a correct button, when the suggestion is not selected anymore.

PHPBB3-11004
[feature/sphinx-fulltext-search] add trailing slash in language

PHPBB3-10946
[feature/sphinx-fulltext-search] fixing comments

Use // for two liners in comments.

PHPBB3-10946
[feature/sphinx-fulltext-search] coding changes acc to phbb conventions

Add a new line after break. Change docblocks to be more informative.

PHPBB3-10946
[feature/sphinx-fulltext-search] fix sphinx for arbitary host

PHPBB3-10946
[feature/dic] Require symfony/* 2.1.*, tabs instead of spaces, --dev lock file

PHPBB3-10739
[feature/dic] Add trailing newline to htaccess

PHPBB3-10739
Merge remote-tracking branch 'upstream/develop' into feature/dic

* upstream/develop: (39 commits)
  [ticket/11025] Add underline for hover to classes
  [ticket/11025] Replace <b> with <strong> and/or class for semantic styling in subsilver2
  [ticket/11025] Replace <b> with <strong> and/or class for semantic styling
  [ticket/11025] Make last topic titles in forum list Bold
  [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/10990] Changes for develop
  [ticket/10990] Do not use comma separator when storing it as a log.
  [ticket/10990] Use $user->lang['COMMA_SEPARATOR'] when appropriate
  [ticket/10667] Fix tests under MySQL 5.5 strict mode (once again)
  [ticket/10667] Fix tests under MySQL 5.5 strict mode (once again)
  [ticket/11012] Fix php_ext change in mock_extension_manager
  [ticket/11012] Normalize $phpEx member vars to $php_ext
  [ticket/11002] Use translating option to rename the Etc/GMT options
  [ticket/11009] Backport build.xml from develop to fix Bamboo Unit Testing.
  [ticket/11008] Change onunload_functions to not use eval()
  ...
[feature/dic] Rename {phpEx => php_ext} for consistency

PHPBB3-10739
[feature/dic] Adjust cache driver class name for BC

PHPBB3-10739
[feature/dic] Generate full cache driver class name on fresh install

PHPBB3-10739
[feature/dic] Adjust installer script to work with partially configured container

PHPBB3-10739
[feature/sphinx-fulltext-search] fix language of host config

PHPBB3-10946
[feature/sphinx-fulltext-search] use 9312 as default port

Uses 9312 instead of 3312 as default port for searchd to listen on
according to latest sphinx documentation. Use filename sphinxapi.php
instead of old one.

PHPBB3-10946