- Added missing unlock.
- Removed synchonization from dynamic array operation (not needed
  and the dynamic array will be removed anyway).

refs #1880

- If we followed a CNAME, do not return NXDOMAIN, although add
  corresponding NSEC/NSEC3 records.

- When the query processing followed a CNAME, the response was
  always NOERROR, instead of NXDOMAIN in case the name is not in
  the zone. Don't know why really.

refs #1890 @30m

refs #1890 @3h

fixes #1873 @30m

Fixes crash that appears when journal file is corrupted while
it is lazily opened.

fixes #1873 @30m

fixes #1871 @30m

Partial core overlap was implemented to prevent stalls and
better utilization of free cores by the scheduler. Not portable.

Improves real-world performance by about 5-10%

Syntax like: 'knotc checkzone example1.com example2.com'

fixes #1229

fixes #1851

For all zones in config file only.

refs #1229

- Knot tried to follow the CNAME chain even if the QTYPE was CNAME.

refs #1868 @1h

- No error returned if the incoming packet has less than 2 bytes.
- Other cases should be handled properly.

refs #1867 @30min

- When returning general error response (i.e. without the
  Question section), the OPCODE and RD bit were not copied.

TODO: handle shorter query wire formats in some cases.

refs #1867 @2h

refs #1384

New config option 'disable-any BOOL;' in 'zones' and 'zone'.

refs #1384

Magic bytes bumped due to checksum algorithm changes.