move gpg plugin into ta release profile so that the build can be performed on travis
diff --git a/pom.xml b/pom.xml
index f0ea1db..a19fc3e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -199,20 +199,6 @@
             </plugin>

             <plugin>

                 <groupId>org.apache.maven.plugins</groupId>

-                <artifactId>maven-gpg-plugin</artifactId>

-                <version>1.5</version>

-                <executions>

-                    <execution>

-                        <id>sign-artifacts</id>

-                        <phase>verify</phase>

-                        <goals>

-                            <goal>sign</goal>

-                        </goals>

-                    </execution>

-                </executions>

-            </plugin>

-            <plugin>

-                <groupId>org.apache.maven.plugins</groupId>

                 <artifactId>maven-compiler-plugin</artifactId>

                 <version>2.5.1</version>

                 <configuration>

@@ -274,4 +260,33 @@
         </plugins>

     </reporting>

 

+    <profiles>

+        <profile>

+            <id>release-sign-artifacts</id>

+            <activation>

+                <property>

+                    <name>performRelease</name>

+                    <value>true</value>

+                </property>

+            </activation>

+            <build>

+                <plugins>

+                    <plugin>

+                        <groupId>org.apache.maven.plugins</groupId>

+                        <artifactId>maven-gpg-plugin</artifactId>

+                        <version>1.5</version>

+                        <executions>

+                            <execution>

+                                <id>sign-artifacts</id>

+                                <phase>verify</phase>

+                                <goals>

+                                    <goal>sign</goal>

+                                </goals>

+                            </execution>

+                        </executions>

+                    </plugin>

+                </plugins>

+            </build>

+        </profile>

+    </profiles>

 </project>