Fix #200
Merge branch 'master' of https://github.com/DBezemer/moodle-theme_essential
New loading gif and cleanup missing icons
Manual merge for #196 #199 thanks @ppv1979
Cleanup and enhance icon replacements, further improving #200
Clearly mark delete icons
Add CSS for all previous changes
Touch version.php for update
More icons cleanup
Merge remote-tracking branch 'upstream/master'
Update README
Fix #205.
Issue #198.  First stage refactoring.
Issue #198.  Second stage - weeks format.
Implement #198.
Merge remote-tracking branch 'upstream/master'