implement coverity suggetions in packethandeler, and a little code cleanup
Revert "Remove possible devision by zero (coverity fix)"

This reverts commit 4855a559d3d1ce7c74c2f922fc74a71889fc1987.
avoid division by 0, and make coverity happy, or not...
geobackend: fix possible nullptr deref
add recursor bulktest to travis
Merge pull request #1001 from mind04/travis

add recursor bulktest to travis
add support for quantcast top million list in dnsbulktest
luabackend: remove dead returns
disable dead timing code
remove dead store
Merge pull request #1004 from zeha/cleanup

Misc. cleanups
Merge pull request #1002 from mind04/quantcast

add support for quantcast top million list in dnsbulktest
Merge pull request #1003 from mind04/coverity

coverity fixes
cleanup hmac algorithm lookup
skip out of zone data in nztest.com for ext-nsd tests
add skip-drill 'button' and ignore drill in secure-delagtion test #1005
Merge pull request #1006 from mind04/hmac

cleanup hmac algorithm lookup and some (un)related test stuff
add TSIG to ext-bind tests
make test-start-stop TSIG algorithm and key configurable
detect duplicate cnames with pdnssec check-all-zones (Issue #545)