[develop-olympus] Increment version number to 3.0.13-dev.
[ticket/11668] Move lint test to the end for travis

PHPBB3-11668
[ticket/11686] Not checking for phpBB Debug errors on functional tests

PHPBB3-11686
[ticket/11704] Correctly escape "

PHPBB3-11704
[ticket/11704] Use the correct directory for dependency checking.

PHPBB3-11704
[ticket/11726] Don't run lint tests on Travis on postgres

PHPBB3-11726
[ticket/11740] Update FAQ to include Ideas Centre

PHPBB3-11740