Fix initializr-service finalName

This commit makes sure that the generated initializr-service app does
not contain a version number. That way, it is easier to reuse the same
command to push the app, regardless of the current version.

README.adoc

@@ -240,7 +240,7 @@ Once the jar has been created, you can push the application:
 
 [indent=0]
 ----
-    $ cf push your-initializr -p target/initializr-service-1.0.0.BUILD-SNAPSHOT
+    $ cf push your-initializr -p target/initializr-service.jar
 ----
 
 == License

initializr-service/pom.xml

@@ -27,6 +27,7 @@
 	</dependencies>
 
 	<build>
+		<finalName>initializr-service</finalName>
 		<plugins>
 			<plugin>
 				<groupId>org.codehaus.gmavenplus</groupId>