Styled About page, new button hovers, tweaks to homepage header.
About page design tweaks (last button wording).
Merge branch 'master' into ui-tweaks

Conflicts:
	app/assets/stylesheets/application.css.less
Styled the Terms page, added Primary button at end.
Merge pull request #176 from theodi/ui-tweaks

Styled About page, new button hovers, tweaks to homepage header.