[ticket/12660] Improve check for when phpinfo() is disabled.

PHPBB3-12660
Merge pull request #2548 from bantu/ticket/12660

[ticket/12660] Improve check for when phpinfo() is disabled.
[ticket/12720] Allow commit heading to begin with lowercase letters

PHPBB3-12720
Merge pull request #2608 from dhruvgoel92/ticket/12720

[ticket/12720] Allow commit heading to begin with lowercase letters

* dhruvgoel92/ticket/12720:
  [ticket/12720] Allow commit heading to begin with lowercase letters
[ticket/12741] Change the mode of the socket file

Since php 5.4.29, by default, php-fpm creates the socket with the 0600 mode
instead of 0666.

PHPBB3-12741
Merge pull request #2622 from Nicofuma/ticket/12741

[ticket/12741] Functional tests on Travis fail since php update last night

* Nicofuma/ticket/12741:
  [ticket/12741] Change the mode of the socket file
[ticket/12755] Add timeout to remote upload to prevent infinite loop

PHPBB3-12755
[ticket/12755] Add language string for timed out remote upload

PHPBB3-12755
[ticket/12755] Change upload in remote_upload() method to fit get_remote_file

PHPBB3-12755
[ticket/12755] Terminate upload loop if upload reaches filesize

Terminate the upload loop if the expected filesize has been reached instead
of trying to read more bytes until the timeout has been reached.

PHPBB3-12755
[ticket/12755] Apply de morgan to conditional

PHPBB3-12755
Merge pull request #2633 from marc1706/ticket/12755

[ticket/12755] Add timeout to remote upload to prevent infinite loop

* marc1706/ticket/12755:
  [ticket/12755] Apply de morgan to conditional
  [ticket/12755] Terminate upload loop if upload reaches filesize
  [ticket/12755] Change upload in remote_upload() method to fit get_remote_file
  [ticket/12755] Add language string for timed out remote upload
  [ticket/12755] Add timeout to remote upload to prevent infinite loop
[ticket/12196] Fix typo "referer" in acp/attachments

PHPBB3-12196
Merge remote-tracking branch 'nickvergessen/ticket/12196' into develop-olympus

# By Joas Schilling
# Via Joas Schilling
* nickvergessen/ticket/12196:
  [ticket/12196] Fix typo "referer" in acp/attachments
[ticket/12196] Revert Fix typo "referer" in acp/attachments

This reverts commit 9bc1f7924d5ef00fb988b81347d4c5c730b25eb2.
https://tracker.phpbb.com/browse/PHPBB3-12196

PHPBB3-12196
Merge pull request #2662 from dhruvgoel92/ticket/12196

[ticket/12196] Revert Fix typo "referer" in acp/attachments

* dhruvgoel92/ticket/12196:
  [ticket/12196] Revert Fix typo "referer" in acp/attachments