GUACAMOLE-1855: Implement property for tracking list of IP Addresses.

extensions/guacamole-auth-json/pom.xml

@@ -78,6 +78,7 @@
             <groupId>com.github.seancfoley</groupId>
             <artifactId>ipaddress</artifactId>
             <version>5.5.0</version>
+            <scope>provided</scope>
         </dependency>
 
         <!-- JUnit -->