Create scaffolding for list formats in settings view.
Add className property to listFormat object.
Merge pull request #24 from ehunter-usgs/LATESTEQ-254

Create scaffolding for list formats in settings view.
Split CSS for list content into separate file in support of custom formats.
Split list formatting to separate file in support of custom list formats.
Removed logging statement.
Properly unbinding.
Updating lastDataRender with current format so we can tell if a re-render is necessary.
Fixed typo.
Merge pull request #25 from emartinez-usgs/fix-render

Updating lastDataRender with current format so we can tell if a re-rende...
Create shell for DYFI List Formatter with styles
Use DefaultListFormatter as template to implement DYFIListFormatter, and to define in ListView
Import DYFIListFormatter.css
Add DYFI to list of List Formats
Use nested class for styles, clean up styles, add ndash for non-dyfi events.
Use direct descendant selectors for styles
Clean up large if statement, use title property for the title.
add className as a default
Replace join with + in return, remove console log
Clean up extra variables.