lint: Squelch many of the strict errors from tests

bootstrap.php

include/class.draft.php

include/class.list.php

include/class.orm.php

include/class.sequence.php

include/class.task.php

include/class.thread.php

include/class.translation.php

setup/test/run-tests.php

setup/test/tests/mockdb.php

setup/test/tests/test.header_functions.php

setup/test/tests/test.mail-parse.php