fix labelcount for root
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
Merge pull request #1316 from zeha/api-auth-strip-trailing-dots

JSON API: strip trailing dots when creating zones
catch errors during build-recursor
Merge pull request #1319 from mind04/labelcount

fix labelcount for root zone
Add delete-zone to pdnssec.
nit
Add list-zone capability to pdns_control
Removed unused \n at end of line.
Add list-all-zones to pdnssec.
endl, whitespace and file prmissions
list zones help text
Merge branch 'listdeletezone'

Closes #608, #1317, #1318, #1320