updating comment in csv_to_page.rb
only print highchart for each dataset on zip detail page if all variables for dataset are present - closes #56
Fix featured research slider
Fix calls to action in news section
Make page headers more legible
Fix get-involved intro text
Fix style for category listing
Fix donate button on help page
Fix zip code spacing on county detail page
Fix pullquote icon height
Fix press signup action url
Update home page image to cabbage
Update banner images to texas produce
Merge pull request #82 from thinkshout/design-fixes

Design fixes
Update press release listing
Fix calls to action on press page
Fix staff detail page title color
Update height of hero images on learn page
Fix overlap of header on search page
Fix background cover for banner images