Added last_update datetime column to db.
Updated test data and csv->db mappings.
Updated Item Model to use new last_update column.
Merge branch 'master' into CCH-1110
Merge branch 'master' into CCH-1110
Adding HEAD request to the Item REST API.
renaming column
Merge pull request #788 from isuftin/legend-update

Updated for ribboned layers to group legends properly
Merge pull request #786 from cschroed-usgs/CCH-1110

Cch 1110
Adding status update text to minimal splash screen.
changed default value
Merge pull request #789 from cschroed-usgs/CCH-1110

Fixing liquibase insertion, ui tweak
Print CSS updated, looking good across webkit browsers. Could probably use some work on Firefox/IE
Merge branch 'master' of https://github.com/USGS-CIDA/coastal-hazards into print-update
Merge pull request #790 from isuftin/print-update

Printing looking good
Merge branch 'master' of https://github.com/USGS-CIDA/coastal-hazards into legend-update