when specifying size 0, just use the total hits collector in query phase
no need the (old) hack of setting the size to 1 anymore really...
Cleaning up nodenames

Common changes:
Lastname, Firstname -> Firstname Lastname
Name I -> Name
Title-style capitalization
Removed L-to-R characters ( <e200> )
Removed duplicates
Alphabetical order
[SPEC] refactor cluster.node_info json spec to reflect clients' apis
[SPEC] Clarify cluster.node_stats api