Merge pull request #795 from isuftin/legend-update

Legend update
Fixed zooming when coming in with an item and when item is incorrect
Zooming to bounding box on initial load with no items working as expected
Merge pull request #796 from isuftin/bbox-return-fix

Zooming mostly fixed on application load. Few more touches needed
Zooming to bbox on view return now fixed
Merge pull request #797 from isuftin/bbox-return-fix

Zooming to bbox on view return now fixed
file size reduction
Merge pull request #798 from mwernimont/master

file size reduction
gathering all the attributes so aggregations can have an sld
* works for shorelines, may have more usefulness going forward
* improved documentation on SLDResource
* minor changes to incorporate new ItemUtil
Merge pull request #799 from jiwalker-usgs/aggregateSLD

gathering all the attributes so aggregations can have an sld
Moved back to loading specific item on back of card instead of loading from uber