[WIP] refactoring dashboard
[wip] make hiding raw viz slightly less ugly
Replace DataCollection with DataTable

More semantically meaningful and can be extended by both the Raw view
and the Filters view
[wip] create filter view skeleton
Marionette models scaffolded, need to be hooked up
wip - switch collection view to composite view
Get basic filters working
Hook up CSV download button
Add SUIT CSS utilities
Remove inline styling
Extract JS templates into one directory
Add frontend READMEs
Add build target for making production assets

Also fix whitespace
Fix column name dropdown in filters view

Populate dropdown filter with column names, not column labels
Merge pull request #9 from DHLabs/update-master

Update master