updated URL on cloud foundry

pom.xml

@@ -455,4 +455,5 @@
 		</plugins>
 	</build>
 
+	<url>demopetclinic</url>
 </project>

readme.md

 # Spring PetClinic Sample Application
 
 ## What does it look like?
--spring-petclinic has been deployed here on cloudfoundry: http://gopetclinic.cfapps.io/
+-spring-petclinic has been deployed here on cloudfoundry: http://demo-spring-petclinic.cfapps.io/
 
 
 ## Understanding the Spring Petclinic application with a few diagrams