Further POM fix to perform gpg sign only during releases

pom.xml

@@ -18,7 +18,7 @@ limitations under the License.
 
   <modelVersion>4.0.0</modelVersion>
   
-    <groupId>eu.chorevolution.ee</groupId>
+  <groupId>eu.chorevolution.ee</groupId>
   <artifactId>chorspec</artifactId>
   <version>1.0.1-SNAPSHOT</version>
   <name>CHOReVOLUTION Choreography data model library</name>
@@ -248,35 +248,49 @@ limitations under the License.
         <artifactId>maven-release-plugin</artifactId>
         <version>2.5.3</version>
         <configuration>
+          <useReleaseProfile>false</useReleaseProfile>
+          <goals>deploy</goals>
+          <arguments>-Prelease ${arguments}</arguments>
+          <waitBeforeTagging>10</waitBeforeTagging>
           <mavenExecutorId>forked-path</mavenExecutorId>
           <autoVersionSubmodules>true</autoVersionSubmodules>
           <tagNameFormat>chrospec-@{project.version}</tagNameFormat>
         </configuration>
       </plugin>
-      
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-deploy-plugin</artifactId>
-        <version>2.8.2</version>
-      </plugin>
-
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-gpg-plugin</artifactId>
-        <version>1.6</version>
-        <executions>
-          <execution>
-            <id>sign-artifacts</id>
-            <phase>verify</phase>
-            <goals>
-              <goal>sign</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
     </plugins>
   </build>
   
+  <profiles>
+    <profile>
+      <id>release</id>
+      
+      <build>
+        <plugins>      
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-deploy-plugin</artifactId>
+            <version>2.8.2</version>
+          </plugin>
+
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-gpg-plugin</artifactId>
+            <version>1.6</version>
+            <executions>
+              <execution>
+                <id>sign-artifacts</id>
+                <phase>verify</phase>
+                <goals>
+                  <goal>sign</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>          
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
+  
   <repositories>
     <repository>
       <id>sonatype</id>