#108 Correction of acceptance tests
#192 Added documentation about running single tests
#192 New acceptance tests
#192 Creating a promotion level
#192 Creating a validation stamp
#192 Link between a validation stamp and a promotion level
#192 Auto promotion for a promotion level
#192 Opening the promotion level page
#192 Checking for the error page
#192 Correct dealing of the UI for getting resources
#192 Checking the validation stamps on the promotion level page
#192 Checking the validation stamps on the promotion level page - more compact code
#192 Checking the auto promotion flag