Support AWS credential generation

Tests require external provided access and secret keys to run.

fixes gh-4

pom.xml

@@ -26,6 +26,7 @@
 		<module>spring-cloud-vault-config-databases</module>
 		<module>spring-cloud-vault-config-consul</module>
 		<module>spring-cloud-vault-config-rabbitmq</module>
+		<module>spring-cloud-vault-config-aws</module>
 		<module>spring-cloud-vault-starter-config</module>
 		<module>docs</module>
 	</modules>