Adds ClassImportException comments

src/main/java/de/tu_darmstadt/tk/SmartHomeNetworkSim/control/ClassImportException.java

@@ -1,5 +1,10 @@
 package de.tu_darmstadt.tk.SmartHomeNetworkSim.control;
 
+/**
+ * Import Exception to be thrown if Exceptions occur during class import.
+ * 
+ * @author Andreas T. Meyer-Berg
+ */
 public class ClassImportException extends Exception {
 
 	/**
@@ -7,6 +12,12 @@ public class ClassImportException extends Exception {
 	 */
 	private static final long serialVersionUID = -6450062037053760733L;
 	
+	/**
+	 * Creates a new exception which contains a message for the
+	 * problem which occurred during class import
+	 * 
+	 * @param msg Exception message which is source of the error
+	 */
 	public ClassImportException(String msg) {
 		super(msg);
 	}