[ticket/261] Use correct branch for tests and use code and icc sniffer

B3P-261
[ticket/261] Require phpBB functions.php in check_file_src_test

B3P-261
[ticket/261] Properly build birthday list database query

This should fix compatibility with sqlite3.

B3P-261
[ticket/261] Remove sqlite3 from allowed failures

B3P-261
Merge pull request #262 from marc1706/ticket/261

[ticket/261] Fix tests on sqlite3 and use correct phpBB branch