libzookeeper_mt prior to 3.4.x doesn't handle IPv6, so prune the resolved addresses we give the library for now.
Add directory semantics to zk, make magic prefix configurable.
Make default paths externally accessible. Add IsDirectory() function.
Extract zkns pdns adapter code and fix a number of small bugs. Improve test clarity.
List cells when listing the root directory.
Improve CNAME resolution. Improve SRV record randomization.
Add support for weightless round-robin A records.
Add a distributed lock primitive that handles complex edge cases.
Simplify DNS SRV record shuffling.
Add election support methods.
Add basic support for protobuf rpc. Check in envelope so there is no dependency on the proto compiler.
Add comments.
Add comments.
Merge pull request #40 from msolo/fix-zk-ipv6

libzookeeper_mt prior to 3.4.x doesn't handle IPv6, so prune the resolve...
Merge pull request #41 from msolo/pbrpc

Add basic support for protobuf rpc. Check in envelope so there is no dep...
Merge pull request #42 from msolo/zk-name-service

Zk name service
Adding fetching of gorptobuf library.
Allowing writes in ZK directories, otherwise we can't create
sub-directories.