Move documentation about port up

While reading the README I very often expect documentation about the
port immediately after introducing the rule because the port number is
essential for running a test that connects to an SFTP server.

Author: stefanbirkner

README.md

@@ -45,34 +45,34 @@ The Fake SFTP Server Rule is used by adding it to your test class.
 
 This rule starts a server before your test and stops it afterwards.
 
-You can interact with the SFTP server by using the SFTP protocol with password
-authentication. By default the server accepts every pair of username and
-password, but you can restrict it to specific pairs.
+By default the SFTP server listens on an auto-allocated port. During the test
+this port can be obtained by `sftpServer.getPort()`. It can be changed
+by calling `setPort(int)`. If you do this from within a test then the server
+gets restarted. The time-consuming restart can be avoided by setting the port
+immediately after creating the rule.
 
     public class TestClass {
       @Rule
       public final FakeSftpServerRule sftpServer = new FakeSftpServerRule()
-          .addUser("username", "password");
+          .setPort(1234);
 
       ...
     }
 
-It is also possible to do this during the test using the same method.
-
-By default the SFTP server listens on an auto-allocated port. During the test
-this port can be obtained by `sftpServer.getPort()`. It can be changed
-by calling `setPort(int)`. If you do this from within a test then the server
-gets restarted. The time-consuming restart can be avoided by setting the port
-immediately after creating the rule.
+You can interact with the SFTP server by using the SFTP protocol with password
+authentication. By default the server accepts every pair of username and
+password, but you can restrict it to specific pairs.
 
     public class TestClass {
       @Rule
       public final FakeSftpServerRule sftpServer = new FakeSftpServerRule()
-          .setPort(1234);
+          .addUser("username", "password");
 
       ...
     }
 
+It is also possible to do this during the test using the same method.
+
 ### Testing code that reads files
 
 If you test code that reads files from an SFTP server then you need a server

src/main/java/com/github/stefanbirkner/fakesftpserver/rule/FakeSftpServerRule.java

@@ -38,33 +38,33 @@
  * }
  * </pre>
  * <p>This rule starts a server before your test and stops it afterwards.
- * <p>You can interact with the SFTP server by using the SFTP protocol with
- * password authentication. By default the server accepts every pair of
- * username and password, buy you can restrict it to specific pairs.
+ * <p>By default the SFTP server listens on an auto-allocated port. During the
+ * test this port can be obtained by {@link #getPort() sftpServer.getPort()}. It
+ * can be changed by calling {@link #setPort(int)}. If you do this from within a
+ * test then the server gets restarted. The time-consuming restart can be
+ * avoided by setting the port immediately after creating the rule.
  * <pre>
  * public class TestClass {
  *   &#064;Rule
  *   public final FakeSftpServerRule sftpServer = new FakeSftpServerRule()
- *       .{@link #addUser(String, String) addUser}("username", "password");
+ *       .setPort(1234);
  *
  *   ...
  * }
  * </pre>
- * <p>It is also possible to do this during the test using the same method.
- * <p>By default the SFTP server listens on an auto-allocated port. During the
- * test this port can be obtained by {@link #getPort() sftpServer.getPort()}. It
- * can be changed by calling {@link #setPort(int)}. If you do this from within a
- * test then the server gets restarted. The time-consuming restart can be
- * avoided by setting the port immediately after creating the rule.
+ * <p>You can interact with the SFTP server by using the SFTP protocol with
+ * password authentication. By default the server accepts every pair of
+ * username and password, buy you can restrict it to specific pairs.
  * <pre>
  * public class TestClass {
  *   &#064;Rule
  *   public final FakeSftpServerRule sftpServer = new FakeSftpServerRule()
- *       .setPort(1234);
+ *       .{@link #addUser(String, String) addUser}("username", "password");
  *
  *   ...
  * }
  * </pre>
+ * <p>It is also possible to do this during the test using the same method.
  *
  * <h2>Testing code that reads files</h2>
  * <p>If you test code that reads files from an SFTP server then you need the