Remove all intermediate folders when a clean is requested

.gitignore

@@ -3,3 +3,4 @@
 /client/target
 /client/pwm-client.iml
 /client/.node
+/client/.idea

client/pom.xml

@@ -53,9 +53,15 @@
                         </goals>
                         <configuration>
                             <filesets>
+                                <fileset>
+                                    <directory>.node</directory>
+                                </fileset>
                                 <fileset>
                                     <directory>dist</directory>
                                 </fileset>
+                                <fileset>
+                                    <directory>node_modules</directory>
+                                </fileset>
                             </filesets>
                         </configuration>
                     </execution>