Update structuredQuery.js
fixes
restore ability to create new tabs
remove final 'es' references
remove acx.extend
remove abstractQuery base class
Update twitter_river generator
add support for nodes plugins api
Added support for multi_fields to Structured Query Panel

Create filters based on multi_field mapping.
Fix read me and licence. Fixes #85
random clean ups
Allow dragDrop to lock direction
separate nodesView from clusterOverview
add widget performance test harness
improve gc performance
pert can now build 1000 times
nodesView supports non-interactive mode
nodesView is non-interactive when refreshing, fixes #75
make it harder to delete an alias. fixes #82
make doc counts more human readable. fixes #64