Implements ConsulServiceRegistry and auto registration

No longer create ConsulLifecycle bean by default. It is now deprecated.

New auto registration is not created if user has created ConsulLifecycle
bean.

docs/pom.xml

@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-consul</artifactId>
-		<version>1.1.3.BUILD-SNAPSHOT</version>
+		<version>1.2.0.BUILD-SNAPSHOT</version>
 	</parent>
 	<artifactId>spring-cloud-consul-docs</artifactId>
 	<packaging>pom</packaging>