SOSSensing class creation
Stimulus creation, getters for sensing
SOSSensor class creation
SensorOutput class creation
Observation alignment with SSN
First version of core's classes
Package's name change
Merge remote-tracking branch 'origin/master'

Conflicts:
	europa/classDiagramEuropa.ucls
	europa/src/main/java/de/ifgi/europa/core/SOSFeatureOfInterest.java
	europa/src/main/java/de/ifgi/europa/core/SOSObservation.java
	europa/src/main/java/de/ifgi/europa/core/SOSPoint.java
	europa/src/main/java/de/ifgi/europa/core/SOSProperty.java
	europa/src/main/java/de/ifgi/europa/core/SOSSensing.java
	europa/src/main/java/de/ifgi/europa/core/SOSSensor.java
	europa/src/main/java/de/ifgi/europa/core/SOSSensorOutput.java
	europa/src/main/java/de/ifgi/europa/core/SOSStimulus.java
	europa/src/main/java/de/ifgi/europa/core/SOSValue.java
	europa/src/main/java/de/ifgi/europa/tests/QueryLocalParliament.java
	europa/src/main/java/de/ifig/europa/comm/Comm.java