WATERSMART-342
* Added place to put in metadata for downloads
* I left example used to test, though it is never used
WATERSMART-360
* changed to btn-primary
* moved button up
* hide button after water use has been charted
Merge pull request #89 from jiwalker-usgs/master

WATERSMART-342
WATERSMART-342
Switched how this is being done to be more consistent with how the data makes it to the download
WATERSMART-341
Added text from Blodgett, adjust accordingly
Merge pull request #90 from jiwalker-usgs/master

WATERSMART-360
WATERSMART-341
Adjusted accordingly
Merge pull request #91 from jiwalker-usgs/master

Download metadata in comments
Added descriptions for mag7 stats.