Add separate reader.
Merge pull request #1043 from tweise/hds

Add reader.
Initial checkin for Query support from HDS.
Merge pull request #1044 from tushargosavi/hds

Initial checkin for Query support for HDS.
Remove duplicate code.
Merge pull request #1045 from tweise/hds

Remove duplicate code.
Basic fixes for range query processing.
Merge pull request #1046 from tweise/hds

Basic fixes for range query processing.
Adding HDSApplicationTest; Updating performance test with tunable blocksize