Merge pull request #61 from mbucknell/PUBSTWO-903

Added a Manage Contributors button to the search page. Modified the Cont...
Added a 'Back to Search' button.
Merge pull request #62 from mbucknell/PUBSTWO-903

Added a 'Back to Search' button.
Merge branch 'master' of github.com:USGS-CIDA/Publications-Warehouse into PUBSTWO-1000