Kiview ftpclient (#4456)

* Add example for FTP client

Using Apache Commons Net

* Add missing resource

* Fix wrong file download in integration test

* Add example for using FTP support in JDK

* Close input stream after copy

* Fix test name

libraries/pom.xml

@@ -709,6 +709,20 @@
             <artifactId>xchart</artifactId>
             <version>${xchart-version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>commons-net</groupId>
+            <artifactId>commons-net</artifactId>
+            <version>${commons-net.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.mockftpserver</groupId>
+            <artifactId>MockFtpServer</artifactId>
+            <version>${mockftpserver.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+
     </dependencies>
 
     <repositories>
@@ -923,6 +937,8 @@
         <typesafe-akka.version>2.5.11</typesafe-akka.version>
         <common-math3-version>3.6.1</common-math3-version>
         <xchart-version>3.5.2</xchart-version>
+        <commons-net.version>3.6</commons-net.version>
+        <mockftpserver.version>2.7.1</mockftpserver.version>
     </properties>
 
 </project>