GUACAMOLE-197: Change RADIUS server to RADIUS hostname.

extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/ConfigurationService.java

@@ -47,7 +47,7 @@ public class ConfigurationService {
      */
     public String getRadiusServer() throws GuacamoleException {
         return environment.getProperty(
-            RadiusGuacamoleProperties.RADIUS_SERVER,
+            RadiusGuacamoleProperties.RADIUS_HOSTNAME,
             "localhost"
         );
     }

extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/RadiusGuacamoleProperties.java

@@ -58,12 +58,12 @@ public class RadiusGuacamoleProperties {
 
 
     /**
-     * The hostname or ip of the RADIUS server to connect to when authenticating users.
+     * The hostname or IP address of the RADIUS server to connect to when authenticating users.
      */
-    public static final StringGuacamoleProperty RADIUS_SERVER = new StringGuacamoleProperty() {
+    public static final StringGuacamoleProperty RADIUS_HOSTNAME = new StringGuacamoleProperty() {
 
         @Override
-        public String getName() { return "radius-server"; }
+        public String getName() { return "radius-hostname"; }
 
     };