Merge branch 'master' into 2.0.x

pom.xml

@@ -30,6 +30,7 @@
 		<module>spring-cloud-sleuth-core</module>
 		<module>spring-cloud-sleuth-zipkin</module>
 		<module>spring-cloud-sleuth-stream</module>
+		<module>spring-cloud-sleuth-reactor</module>
 		<module>spring-cloud-sleuth-zipkin-stream</module>
 		<module>spring-cloud-starter-sleuth</module>
 		<module>spring-cloud-starter-zipkin</module>
@@ -200,6 +201,16 @@
 				<artifactId>commons-logging</artifactId>
 				<version>1.2</version>
 			</dependency>
+			<dependency>
+				<groupId>io.projectreactor</groupId>
+				<artifactId>reactor-core</artifactId>
+				<version>${reactor.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.reactivestreams</groupId>
+				<artifactId>reactive-streams</artifactId>
+				<version>${reactive-streams.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.hamcrest</groupId>
 				<artifactId>hamcrest-core</artifactId>
@@ -233,8 +244,8 @@
 	</dependencyManagement>
 
 	<properties>
-		<maven.compiler.target>1.7</maven.compiler.target>
-		<maven.compiler.source>1.7</maven.compiler.source>
+		<maven.compiler.target>1.8</maven.compiler.target>
+		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.testTarget>1.8</maven.compiler.testTarget>
 		<maven.compiler.testSource>1.8</maven.compiler.testSource>
 		<surefire.plugin.version>2.19.1</surefire.plugin.version>
@@ -243,6 +254,8 @@
 		<spring-cloud-commons.version>2.0.0.BUILD-SNAPSHOT</spring-cloud-commons.version>
 		<spring-cloud-stream.version>Elmhurst.BUILD-SNAPSHOT</spring-cloud-stream.version>
 		<spring-cloud-netflix.version>2.0.0.BUILD-SNAPSHOT</spring-cloud-netflix.version>
+		<reactor.version>3.1.0.BUILD-SNAPSHOT</reactor.version>
+		<reactive-streams.version>1.0.0</reactive-streams.version>
 	</properties>
 
 	<profiles>