Fonts: update fontawesome, host opensans locally

flamingo/static/css/bootstrap.min.css

flamingo/static/css/font-awesome.css

flamingo/static/css/font-awesome.min.css

flamingo/static/css/small-business.css

flamingo/static/fonts/FontAwesome.otf

flamingo/static/fonts/fontawesome-webfont.eot

flamingo/static/fonts/fontawesome-webfont.svg

flamingo/static/fonts/fontawesome-webfont.ttf

flamingo/static/fonts/fontawesome-webfont.woff

flamingo/static/fonts/glyphicons-halflings-regular.eot

flamingo/static/fonts/glyphicons-halflings-regular.svg

flamingo/static/fonts/glyphicons-halflings-regular.ttf

flamingo/static/fonts/glyphicons-halflings-regular.woff

flamingo/static/webfonts/OpenSans-Bold.ttf

flamingo/static/webfonts/OpenSans-BoldItalic.ttf

flamingo/static/webfonts/OpenSans-Italic.ttf

flamingo/static/webfonts/OpenSans-Regular.ttf

flamingo/static/webfonts/fa-brands-400.eot

flamingo/static/webfonts/fa-brands-400.svg

flamingo/static/webfonts/fa-brands-400.ttf