add new execution phase to buildnumber-maven-plugin

pom.xml

@@ -773,6 +773,17 @@
                                 <doUpdate>false</doUpdate>
                             </configuration>
                         </execution>
+                        <execution>
+	                        <id>build.date</id>
+	                        <phase>initialize</phase>
+	                        <goals>
+	                            <goal>create-timestamp</goal>
+	                        </goals>
+	                        <configuration>
+	                            <timestampFormat>yyyy-MM-dd</timestampFormat>
+	                            <timestampPropertyName>build.date</timestampPropertyName>
+	                        </configuration>
+	                    </execution>
                     </executions>
 
                 </plugin>