[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