Exception to be thrown in case of invalid filter definition

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/access/InvalidDefinitionException.java

+package net.i2p.i2ptunnel.access;
+
+public class InvalidDefinitionException extends Exception {
+    public InvalidDefinitionException(String reason) {
+        super(reason);
+    }
+
+    public InvalidDefinitionException(String reason, Throwable cause) {
+        super(reason, cause);
+    }
+}