Set encoding, add modelVersion

Author: cstamas

src/main/mdo/settings-security.mdo

@@ -41,6 +41,13 @@
           <description>encrypted master password</description>
         </field>
 
+        <field>
+          <name>modelVersion</name>
+          <version>3.0.0+</version>
+          <type>String</type>
+          <description>The version of the model</description>
+        </field>
+
         <field>
           <name>masterSource</name>
           <version>3.0.0+</version>

src/test/java/org/codehaus/plexus/components/secdispatcher/internal/DefaultSecDispatcherTest.java

@@ -44,6 +44,8 @@ public class DefaultSecDispatcherTest {
 
     private void saveSec(String masterSource) throws Exception {
         SettingsSecurity sec = new SettingsSecurity();
+        sec.setModelEncoding(StandardCharsets.UTF_8.name());
+        sec.setModelVersion(SecDispatcher.class.getPackage().getSpecificationVersion());
         sec.setMasterSource(masterSource);
         sec.setMasterCipher(AESGCMNoPadding.CIPHER_ALG);