JSHint scatterplot directive
Fixes #114: Add x-axis labels to barchart

Adds 'Y-Axis' label to dropdown
Moves barchart styling to css
Removes unused d3 y-axis definition
Merge pull request #131 from CloudNiner/feature/barchart-axes

Feature/barchart axes
Switch from histo to kde
Update styling on KDE to match prior histo styling
Style Updates

-updated logos
-glossary content was getting cut off at bottom
-detail page chart width
-map page scrolling issue
-updated favicon
-addressed small screen vertical layout issues
-added some print css
Add stroke for edge-emphasis
Merge pull request #137 from azavea/feature/compare-kde

Switch from histo to kde
Merge pull request #138 from azavea/Final-Tweaks

Style Updates
Fixes #122: Add units to all dropdown text
Use &sup2; for ft squared, requires ng-bind-html
Fix merge conflict with new css styling