Merge pull request #1047 from sashadt/hds

Adding HDSApplicationTest
Default max data file size 128m
Merge pull request #1048 from tweise/hds

Default max data file size 128m
Include in-flight data.
Merge pull request #1049 from tweise/hds

Include in-flight data.
Remove warning.
Merge remote-tracking branch 'upstream/hds' into hds
Fix test
Change query protocol, if startTime and endTime is not specified then return data
for last 20 minutes (time is configurable as application property).
Add getter methods in AdInfo for JSON encoder to include values in
output.
Make HDSApplicationTest pass
Merge pull request #1050 from tushargosavi/hds

Change in query protocol.