clean up some code on homepage, resize send in the brigade image, and simplify some css/html
fix the hack this site banner, to fit correctly, and not force the page to scroll horizontally
merge in changes from master
Merge branch 'master' into fix_some_homepage_styling
Merge branch 'master' into fix_some_homepage_styling
only add the stylesheets once
slight reorder of some css
Merge pull request #253 from codeforamerica/fix_some_homepage_styling

Fix some homepage styling