Add validation to benefit values
Merge pull request #323 from ahinz/topic/validate-eco-benefits

Add validation to benefit values
Fixes #320 - Fontello loading from wrong directory
Style headers, improve buttons
Fixes #331, adds typography styling, error styling
Fix <p> tag styling/color
Style autocomplete dropdown, registration forms
Reconfigure styling on search wrapper
Restructure map sidebar, make autocomplete scroll
Style benefits sidebar, adjust page colors
Break sidebar styling into own file, style map popups
Merge pull request #353 from azavea/topic/default-styling

Design Improvements and Styling