Add release profile
diff --git a/pom.xml b/pom.xml
index f755b82..1371b97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,6 +58,64 @@
         </dependency>
     </dependencies>
 
+    <profiles>
+        <profile>
+            <id>release</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <artifactId>maven-source-plugin</artifactId>
+                        <version>3.0.1</version>
+                        <executions>
+                            <execution>
+                                <id>attach-sources</id>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <artifactId>maven-javadoc-plugin</artifactId>
+                        <version>3.0.0</version>
+                        <executions>
+                            <execution>
+                                <id>attach-javadoc</id>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                                <configuration>
+                                    <doclint>none</doclint>
+                                </configuration>
+                            </execution>
+                        </executions>
+                        <configuration>
+                            <show>public</show>
+                            <charset>UTF-8</charset>
+                            <encoding>UTF-8</encoding>
+                            <docencoding>UTF-8</docencoding>
+                            <links>
+                                <link>http://docs.oracle.com/javase/7/docs/api</link>
+                            </links>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
     <build>
         <plugins>
             <plugin>
@@ -70,54 +128,6 @@
                     <target>1.7</target>
                 </configuration>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-gpg-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <phase>verify</phase>
-                        <goals>
-                            <goal>sign</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <artifactId>maven-source-plugin</artifactId>
-                <version>3.0.1</version>
-                <executions>
-                    <execution>
-                        <id>attach-sources</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.0.0</version>
-                <executions>
-                    <execution>
-                        <id>attach-javadoc</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                        <configuration>
-                            <doclint>none</doclint>
-                        </configuration>
-                    </execution>
-                </executions>
-                <configuration>
-                    <show>public</show>
-                    <charset>UTF-8</charset>
-                    <encoding>UTF-8</encoding>
-                    <docencoding>UTF-8</docencoding>
-                    <links>
-                        <link>http://docs.oracle.com/javase/7/docs/api</link>
-                    </links>
-                </configuration>
-            </plugin>
         </plugins>
     </build>