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.
Merge pull request #782 from cschroed-usgs/master

Removing generated pom from src ctrl
Fix for incorrect titling in legend when item is single downstream child of aggregation
A bit of refactoring done for the legend generation. A little bit more to go with this
Merge pull request #784 from isuftin/master

Legend fixes/refactoring
Added entire shaded ehcache directory to gitignore
Refactored Legend.js a bit to push down ajax calls outside of init
Further refactoered legend to give more control for how each type of item is processed
Refactored legend creation to give more control to the table-type discovery functions
Formatting for CSS
 back of card buttons grouped together
Merge pull request #785 from isuftin/master

back of card buttons grouped together
Merge branch 'master' of https://github.com/USGS-CIDA/coastal-hazards into legend-update
renaming column
CCH-1090 - First pass at printing