Merge branch 'wip-MDL-33596-m23' of git://github.com/samhemelryk/moodle

theme/mymobile/config.php

@@ -163,4 +163,8 @@ $THEME->javascripts = array(
 );
 
 // Sets a custom render factory to use with the theme, used when working with custom renderers.
-$THEME->rendererfactory = 'theme_overridden_renderer_factory';
+$THEME->rendererfactory = 'theme_overridden_renderer_factory';
+
+// This theme doesn't support CSS optimisation. The JQuery CSS has already been optimised in a way that
+// is not compatible with the CSS optimiser in Moodle.
+$THEME->supportscssoptimisation = false;