Page header styles.

 On branch page_header
	modified:   app/assets/javascripts/backbone/lib/components/layouts/header_sidebars/templates/layout.jst.hbs
	modified:   app/assets/javascripts/backbone/lib/components/page_header/show/templates/show.jst.hbs
	modified:   app/assets/stylesheets/components/page_title.css.scss