[ticket/10103] Convert the rest of the tree to flock class.

PHPBB3-10103
[ticket/10103] Try a longer sleep for travis.

Apparently travis takes longer than half a second to fork php.

PHPBB3-10103
[ticket/9983] Correct incorrect markTestSkipped call.

PHPBB3-9983
[ticket/10091] Bump minimum supported postgresql version to 8.3.

PHPBB3-10091
[ticket/10716] php parse all php files as part of the test suite.

PHPBB3-10716
[ticket/11015] Include dbms name in exception message.

PHPBB3-11015
[ticket/11015] Change more docblocks.

PHPBB3-11015
[ticket/11015] Fix functional test case.

PHPBB3-11015
[ticket/10205] Account for potentially missing extensions in dbal.

PHPBB3-10205
[ticket/10205] Avoid calling mysqli functions when mysqli is missing.

PHPBB3-10205
[ticket/10205] Fix remaining db drivers.

PHPBB3-10205
Merge remote-tracking branch 'p/ticket/9983-redis' into develop

* p/ticket/9983-redis:
  [ticket/9983] Correct incorrect markTestSkipped call.
Merge remote-tracking branch 'p/ticket/10091' into develop

* p/ticket/10091:
  [ticket/10091] Bump minimum supported postgresql version to 8.3.
Merge remote-tracking branch 'p/ticket/9983' into develop

* p/ticket/9983:
  [ticket/9983] Make sql cache test into a black box.
[feature/avatars] Use seperate function for retrieving the config name

PHPBB3-10018
[feature/avatars] Fix behavior of avatar manager and variables

The $force_all variable was only partially removed and the behavior was
not consistent in all files.

PHPBB3-10018
[ticket/10103] Correct flock class documentation.

PHPBB3-10103
[ticket/10103] $rv had too few characters.

PHPBB3-10103
[ticket/10103] Inline assignment is bad?

PHPBB3-10103
[ticket/10103] assertLessThan/assertGreaterThan.

PHPBB3-10103