Add development compiled CSS files and tidy LESS files
Merge branch 'master' of https://github.com/DBezemer/moodle-theme_essential
Add Moodle expendable for coloured buttons etc.
Cleanup whitespace above main content
Fix #141 and #142
Fix #144, thanks Mike Bruns (https://moodle.org/user/view.php?id=1742478)
Fix #145.