Added a HConnectionFactory class, which creates HConnections. This is added to enable creating protected HConnections in phoenix.
Fix WhereClauseFilterTest failures due to multi tenant syntax changes
Dynamic SpillFile creation
Dynamic SpillFile creation
Dynamic SpillFile creation
Merge pull request #699 from kutschm/master

SpillableGroupBy - Dynamic SpillFile creation
Merge pull request #698 from Usha-Kuchibhotla/master

Added a HConnectionFactory class, which creates HConnections.
Use null tenantId to resolve base table and fetch from server if not in cache