Added method that eliminates leading whitespace from HTML
Removed some superfluous div tags which were messing up the html, made
a quick css fix so header doesn't obstruct content
Added noscript functionality so the header remains useful even
without javascript.

Also tweaked various things with header and sidemenu.
Many improvements to header and panel
Merge branch 'mobile' of github.com:suttacentral/suttacentral into mobile

Conflicts:
	static/css/site/header.scss
	templates/home.html