Solved #Core-450
 - removed auth checks from Model
 - removed Shiro dependency in POM
knx plugin first commit
renamed .it to .com and adapted pom.xml to 5.6-snapshot
renamed knx plugin - added command section
knx plugin - modified calimero DatapointMap class to store StateDP and CommandDP - added autodiscovering method to onStart() to create a map from datapoints.xml