QP coverity

See merge request !596

I think the reported "issues" couldn't really happen,
but it seems better to refactor to get rid of them.

Zone refresh fixes

fixes #479

See merge request !594

eliminated compile warnings: deprecated readdir_r -> readdir; Wuninitialized few variables on make check

QP trie integration

See !574. See original merge request !593 for more details.

Vladimír Čunát authored 8 years ago and Daniel Salzman committed 8 years ago

Squashed commit. For description see the MR:
https://gitlab.labs.nic.cz/labs/knot/merge_requests/574

Module referencing simplification



See merge request !592