Applied engineering rules to Packet types.
Merge branch 'master' of https://github.com/openetcs/modeling
ReceiveMessageAndCheckConsistency-Module: Merged FirstIteration into ThirdIteration.
Merge pull request #75 from stefan-karg/master

ReceiveMessageAndCheckConsistency-Module: Merged FirstIteration into ThirdIteration. / Applied engineering rules on packet types.