first batch of changes
try accordion.
got the left nav to magell properly
set height auto on the left nav
Fully functional in Chrome mobile-first
Proper titling to indicate you hit the right place
Merge branch 'release-prep' into docs

Conflicts:
	docs/css/off-canvas.css
	docs/css/off-canvas.min.css
Merge branch 'release-prep' into toogle-nav-page

Conflicts:
	docs/css/excelsior.css
	test/css/excelsior.oldie.css