senat campaign: Update styles and icons

...senat_campaign/vendor/fontawesome/css/svg-with-js.min.css

...static/senat_campaign/vendor/fontawesome/css/v4-shims.css

...ic/senat_campaign/vendor/fontawesome/css/v4-shims.min.css

...at_campaign/vendor/fontawesome/webfonts/fa-brands-400.eot

...at_campaign/vendor/fontawesome/webfonts/fa-brands-400.svg

...at_campaign/vendor/fontawesome/webfonts/fa-brands-400.ttf

...t_campaign/vendor/fontawesome/webfonts/fa-brands-400.woff

..._campaign/vendor/fontawesome/webfonts/fa-brands-400.woff2

...nat_campaign/vendor/fontawesome/webfonts/fa-light-300.eot

...nat_campaign/vendor/fontawesome/webfonts/fa-light-300.svg

...nat_campaign/vendor/fontawesome/webfonts/fa-light-300.ttf

...at_campaign/vendor/fontawesome/webfonts/fa-light-300.woff

...t_campaign/vendor/fontawesome/webfonts/fa-light-300.woff2

...t_campaign/vendor/fontawesome/webfonts/fa-regular-400.eot

...t_campaign/vendor/fontawesome/webfonts/fa-regular-400.svg

...t_campaign/vendor/fontawesome/webfonts/fa-regular-400.ttf

..._campaign/vendor/fontawesome/webfonts/fa-regular-400.woff

...campaign/vendor/fontawesome/webfonts/fa-regular-400.woff2

...nat_campaign/vendor/fontawesome/webfonts/fa-solid-900.eot

...nat_campaign/vendor/fontawesome/webfonts/fa-solid-900.svg