DDF-199: Added a Content Disposition header to the response to format the filename as <DDF_Sitename>_<Start_Date>_<End_Date>
DDF-199: Added a Content Disposition header to the response to format the filename as <DDF_Sitename>_<Start_Date>_<End_Date>. Updated unit tests.
DDF-199: Cleanup from merge.
Also updated some of the logging.
DDF-199: Updated MetricsEndpointTest.java
DDF-199: Removed duplicate service reference.
Merge pull request #8 from mrmateo/ddf199

DDF-199: Adding Content Disposition header to response.