more renaming of SEM to SE

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/check/error/AttributeMissingError.java

@@ -36,7 +36,7 @@ public class AttributeMissingError implements CheckError {
 
 	private static final long serialVersionUID = 185026674309965067L;
 
-	public static final ErrorId ID = new ErrorId("SEM_ATTRIBUTE_MISSING");
+	public static final ErrorId ID = new ErrorId("SE_ATTRIBUTE_MISSING");
 
 	private CityObject co;
 	private boolean generic;

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/check/error/AttributeValueWrongError.java

@@ -36,7 +36,7 @@ public class AttributeValueWrongError implements CheckError {
 
 	private static final long serialVersionUID = 6106964709204961560L;
 
-	public static final ErrorId ID = new ErrorId("SEM_ATTRIBUTE_WRONG_VALUE");
+	public static final ErrorId ID = new ErrorId("SE_ATTRIBUTE_WRONG_VALUE");
 
 	private CityObject co;
 	private boolean generic;