Update protobuf spec for 1.6 (might still be incomplete)
Merge branch 'dev' into 1.6
1.6 doc update from upstream
Updated ql2.proto
Re-compiled ql2.proto
Rely on server to provide default seconday index function. Closes #15.
New 1.6 connect handshake
r\connect interface change
Changed r\connect interface back.
Support auth key in integration tests
hard_durability => durability in test cases
Per-command durability option
Syntax fixes in API doc YAML
New manipulation queries
New transformation query tests
Aggregation contains
Prepend
Set commands
...At commands and key command
Match command