Fix for: (use -source 5 or higher to enable generics)

         [ERROR] /opt/java/OfflineReverseGeocode/src/main/java/geocode/ReverseGeoCode.java:[42,10] error: generics are not supported in -source 1.3
         [ERROR]
         [ERROR] (use -source 5 or higher to enable generics)
         [ERROR] /opt/java/OfflineReverseGeocode/src/main/java/geocode/kdtree/KDNodeComparator.java:[37,38] error: generics are not supported in -source 1.3

pom.xml

@@ -17,5 +17,22 @@
             <url>http://www.opensource.org/licenses/mit-license.php</url>
         </license>
     </licenses>
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.1</version>
+                    <configuration>
+                        <source>1.7</source>
+                        <target>1.7</target>
+                        <encoding>UTF-8</encoding>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+
 
 </project>