Support where=[[attr,operator,operand],...] parameter
Move where=[] to filters=[]
Advertise filters param in discovery doc.
Merge branch 'master' into 2257-inequality-conditions
Make integer attributes searchable, add test cases.
Add "filters" param to discovery document, add deprecation note to
"where" param description.
Merge branch '2257-inequality-conditions'

closes #2257