Removed unused skip-list #includes.
Added check to zone adjusting.

- DS RRSets w\o NS RRSet will trigger error.
- Refs #2391
zscanner: move error handling from common to zscanner
Merge branch 'master' into extract_zscanner
zscanner: reformat white space
descriptor: remove dependency on common source files
Makefile: update module dependency
zscanner: create own Makefile.am
Build zscanner first

Change-Id: Iafa3d44ca8b67b635863902c8e28e0d3fe6c0b33
zscanner: improve building process
Make zscanner run_tests.sh executable

Change-Id: I0aa8a3fa2dd93d1ce70a0a7b6c907648ee8131a1
configure: fix typing error
zscanner-test: add missing exit if error (quiet mode)
Generate descriptor.{h,c} in zscanner from ../common/

Change-Id: Ifc10233541098ef174b9c403178bd877c1d4c660
zscanner: change descriptor.c,h location
zscanner: fix incompatible Makefile copy rule on BSD
zscanner: yet another Makefile fix
zone-load: add file_loader return check
zscanner: add public header file
Update qtcreator includes file