added missing ClockProvider.java, added clock to ticket validation and fixed...
adaptations to the validate ticket function, as described in the new changelog and forum
Aufgrund einer Wartung am 28.05 von 8:00 bis 12:00 Uhr wird das System zeitweise nicht zur Verfügung stehen. -- Due to maintenance on 28 May from 8:00 to 12:00, the system will be temporarily unavailable.
adaptations to the validate ticket function, as described in the new changelog and forum