design fixes
Buttons,Layout,Datepicker etc
new icons
extend debugging
personalized results, debugging
pdfdetail für Lehrende rausgenommen
fix result visibility
fix result visibility if html results not available
Merge branch 'master' into ol

Conflicts:
	UniZensusAdminPlugin.class.php
	UniZensusNagScreen.class.php
	UniZensusPlugin.class.php
	plugin.manifest