Resync yahttp documentation
Merge pull request #1487 from zeha/resync-yahttp-docs

Resync yahttp documentation
zone2lmdb and lmdb-backend regression tests
first baby steps to dnssec in lmdb-backend
import dnssec records in lmdb database
get NSECx direct from backend and use it for lmdb-backend
get RRSIGs direct from backend and use it for lmdb-backend
store lmdb metadata in zone record
fix NSEC in lmdb-backend
unswap ttl and IN in saxfr output
put lmdb-backend dnssec support behind lmdb-experimental-dnssec switch
Use YaHTTP instead of CURL in remotebackend
Partial implementation of remotebackend http connector using yahttp
Complete implementation of httpconnector
Remove CURL and REMOTEBACKEND_HTTP
Support new RESTful methods
Add some sanity checks
Update YaHTTP from upstream (fixes several bugs)
teach dnsscope --servfail-tree which emits nodes in DNS that cause servfails, plus IP addresses doing queries within those trees
make dnsscope match the description on gist