Make sure base is a fully empty layout, fix #16
Large cleanup #1, not otherwise specified
Merge branch 'master' of github.com:DBezemer/moodle-theme_essential
Convert to Bootstrap carousel.

Conflicts:
	layout/frontpage.php
	style/essential-rtl.css
	style/essential.css
	style/essential.treasure.map
Carousel work in progress.  Issue #18.