testMaker Code

added application/x-download to file type (for pdf upload), as some firefox installations don't support application/pdf as upload file type (RD)

div by 0 in some cases; changed to
if (($max == 0) || ($min == $max)) {
$scores['user'][(string)$temp->get('name')] = NAN;

switched some 'Sollwert' to 'Vergleichswert' (RD)

changed 'Referenzwert' to 'Vergleichswert' in graph (RD)

worked on the text (changed Sollwert and Referenzwert to Vergleichswert) (RD)

did a bit on the english translation (RD)

removed error in source code that stopped script from working

see ticket 3129957, the calculation for results/ratio is reworked (see source code)

added checkboxes to enable/disable introduction and maintenance-mode textfields

Fix spell errors.
Modify and add "update scripts" for test duration.