Merge branch 'master' into ESSENTIAL_261
Merge branch 'master' into ESSENTIAL_261
Update theme_essential.php
Updating versoin number
Merge pull request #89 from felixod/patch-26

Update theme_essential.php
Fix for HTTPS setups
Fix for 3rd level cutom menu dropdowns
Updating readme
Fixing typo
Merge branch 'ESSENTIAL_262'
Optimise image delivery.
Merge pull request #92 from gjb2048/master

Optimise image delivery.Very nicely done. A far more elegant solution than my own. Thanks for sharing. My shortcomings in PHP do show occasionally :)
Adding issing lang strings
reoving outdated grader styling
New color styling for gradebook
adding new stylesheet
adding ability to set custom category icons