Simplified the rewrite logic for the parent/child queries.
when thread pool queue size is negative use unbounded queue
Add /_cat/master.

% curl localhost:9200/_cat/master
id                     ip             node
Zdumn8bkTuOGRLfr9JL8jQ 192.168.20.109 Petros, Dominic
Use standard CSS separator.
Don't consider header width if not printed.
Add /_cat/nodes.
added support for a prefix wild card (*.field) in includes
fixed casting that caused compilation errors with JDK7
Optimize parent child queries execution with short circuit mechanism.

Closes #3190