Merge pull request #1045 from tweise/hds

Remove duplicate code.
Merge pull request #1046 from tweise/hds

Basic fixes for range query processing.
Adding HDSApplicationTest; Updating performance test with tunable blocksize
Merge pull request #1047 from sashadt/hds

Adding HDSApplicationTest
Merge pull request #1048 from tweise/hds

Default max data file size 128m
Include in-flight data.