Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12954] Correctly setup PATH_INFO on Travis CI.
Merge pull request #2691 from dhruvgoel92/ticket/11528

[ticket/11528] Revert all mink changes in functional tests

* dhruvgoel92/ticket/11528:
  [ticket/11528] Revert Mink changes
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/11528] Revert Mink changes
[ticket/8064] Change the collation of topic_first_poster_name

PHPBB3-8064
Merge pull request #2849 from bantu/ticket/12941

[ticket/12941] Check for Sami parse errors on Travis CI.

* bantu/ticket/12941:
  [ticket/12941] Fix remaining Sami complaints.
  [ticket/12941] Check for Sami parse errors on Travis CI.
  [ticket/12941] Add sami.conf.php for Travis CI.
Merge branch 'develop-ascraeus' into develop

* develop-ascraeus:
  [ticket/12941] Fix remaining Sami complaints.
  [ticket/12941] Check for Sami parse errors on Travis CI.
  [ticket/12941] Add sami.conf.php for Travis CI.
[ticket/12938] Remove functional tests for 'Download all attachments'.

PHPBB3-12938
Merge pull request #2851 from marc1706/ticket/12949

[ticket/12949] Check if mime_content_type is actually callable
Merge branch 'develop-ascraeus' into develop

# By Marc Alexander
# Via Dhruv Goel (1) and Marc Alexander (1)
* develop-ascraeus:
  [ticket/12949] Check if mime_content_type is actually callable
[ticket/12831] simplified code, upd event block

https://tracker.phpbb.com/browse/PHPBB3-12831

PHPBB3-12831
[ticket/12956] Ensure the contact columns have been added before using them

PHPBB3-12956
[ticket/12831] fix CS

https://tracker.phpbb.com/browse/PHPBB3-12831

PHPBB3-12831
[ticket/12957] Update the constructions of the template engine

PHPBB3-12957
[ticket/12957] Removed unused use

PHPBB3-12957
Merge pull request #2859 from Nicofuma/ticket/12957

[ticket/12957] Update the constructions of the template engine
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.