fix labelcount for root
add additional levels of ents (auth and unauth) to the insecure delegation ent test
fix for errata 3441 of RFC5155
workaround for ldns-verify-zone nsec3 bug in regression tests
limit mode 0 closest provable encloser to optout
remove outdated NPTL advice, add net.ipv6.route.max_size tuning suggestion
Merge pull request #1308 from mind04/2ent-optout

fix for errata 3441 of RFC5155
raise our socket buffer raise so it no longer generates a warning, move our checkFDs to separate function (still #ifdeffed out), add automated failsafe checking of Linux IPv6 limits & warning. We warn all the time, even if you don't yet use IPv6. Hoping people will see it!
Merge branch 'master' of github.com:PowerDNS/pdns
workaround for remotebackend failures on travis-ci
Merge pull request #1309 from mind04/travis-retry

workaround for remotebackend failures on travis-ci
make sure we don't exceed the number of available filedescriptors for mthreads. You can still overshoot a little bit, but not all mthreads will be using an fd.

Conflicts:

	pdns/misc.hh
	pdns/pdns_recursor.cc
Merge branch 'master' of github.com:PowerDNS/pdns
JSON API: Add 'set-ptr' PTR-creating functionality
Merge pull request #1312 from zeha/api-set-ptr

JSON API: Add 'set-ptr' PTR-creating functionality
Add api-readonly switch

This disables all JSON-API-level changes to backend data.
HTTP server: fix requests that are larger than 1024bytes
Merge pull request #1313 from zeha/api-readonly

Add api-readonly switch
JSON API: strip trailing dots when creating zones

Otherwise we end up with example.org. in the DB, when it should have been
example.org .
Merge pull request #1315 from zeha/fix-requests-larger-than-1024

HTTP server: fix requests that are larger than 1024bytes