[ticket/11112] Use https for user-visible links to phpbb.com

PHPBB3-11112
[ticket/11671] Add phing as a dependency and upgrade deps

PHPBB3-11671
[ticket/11112] Do not change opensource.org link to https

PHPBB3-11112
Merge remote-tracking branch 'remotes/naderman/ticket/11671' into prep-release-3.0.12

# By Nils Adermann
# Via Nils Adermann
* remotes/naderman/ticket/11671:
  [ticket/11671] Add phing as a dependency and upgrade deps
[ticket/11671] Update composer.lock

PHPBB3-11671
[ticket/11674] Do not include vendor folder if there are no dependencies.

PHPBB3-11674
[ticket/11670] Consistency with logo: Replace "phpBB(tm)" with "phpBB(R)".

PHPBB3-11670
Merge remote-tracking branch 'github-bantu/ticket/11670' into prep-release-3.0.12

* github-bantu/ticket/11670:
  [ticket/11670] Consistency with logo: Replace "phpBB(tm)" with "phpBB(R)".
Merge remote-tracking branch 'github-bantu/ticket/11674' into prep-release-3.0.12

* github-bantu/ticket/11674:
  [ticket/11674] Do not include vendor folder if there are no dependencies.
Merge remote-tracking branch 'github-marc1706/ticket/11112' into prep-release-3.0.12

* github-marc1706/ticket/11112:
  [ticket/11112] Do not change opensource.org link to https
  [ticket/11112] Use https for user-visible links to phpbb.com
[prep-release-3.0.12] More changelog items for the 3.0.12 release.