support Reactor-based CF Java Client (#22)

* reactive Cloud Foundry Java Client

- new support for auto-configuring the reactor-based CF java client v3.3.
- reworkd the `DiscoveryClient` to depend on the standalone support.
- made the tests run conditionally based on presence of certain env vars.

fixes gh-21

spring-cloud-cloudfoundry-discovery/pom.xml

@@ -2,19 +2,21 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-
 	<artifactId>spring-cloud-cloudfoundry-discovery</artifactId>
 	<packaging>jar</packaging>
 	<description>Spring Cloud CloudFoundry Discovery</description>
-
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-cloudfoundry</artifactId>
 		<version>2.0.0.BUILD-SNAPSHOT</version>
 		<relativePath>..</relativePath>
 	</parent>
-
 	<dependencies>
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-cloudfoundry-commons</artifactId>
+			<version>${project.version}</version>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-configuration-processor</artifactId>
@@ -28,10 +30,6 @@
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-commons</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.cloudfoundry</groupId>
-			<artifactId>cloudfoundry-client-lib</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-netflix-core</artifactId>
@@ -48,5 +46,4 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
-
-</project>
+</project>