changed rotate.css into a compass file and included it in bootstrap.scss
moved book info to an element, to use for the many different views
added clearfix class to buttons at the bottom of book info
added "s" to format if there are multiple book formats
removed filesize from TxtHelper::fileTypes()
changed hero-unit padding and h1 font-size for smaller screens
added subject to e-mail
added screenshot to readme
added mobile screenshots to readme