Print style updates

This helps to correct the site title formatting identified by
@mfairchild365 in issue #585, hides the hamburger icon
Addresses IE 8 Navigation Color Problem

@kabel #665 Adds fallback hex values for IE8
Merge branch 'develop' of https://github.com/unl/wdntemplates into RD-Updates
Reduced .wdn-subhead top/bottom margins to improve header typography