Added the links for a site below the graph selection tree on the detail
reports page. If a link is missing from the data, that link will not be
shown.

Note that it looks pretty ugly. Marty will need to do his thing.
Merge branch 'master' of github.com:USGS-CIDA/nar_ui into NAWQAAN-209
Merge pull request #184 from mbucknell/NAWQAAN-209

Nawqaan 209