Provide dependency management for Reactive Streams

Closes gh-10246

spring-boot-dependencies/pom.xml

@@ -144,6 +144,7 @@
 		<quartz.version>2.3.0</quartz.version>
 		<querydsl.version>4.1.4</querydsl.version>
 		<reactor-bom.version>Bismuth-BUILD-SNAPSHOT</reactor-bom.version>
+		<reactive-streams.version>1.0.1</reactive-streams.version>
 		<rxjava.version>1.3.1</rxjava.version>
 		<rxjava-adapter.version>1.2.1</rxjava-adapter.version>
 		<rxjava2.version>2.1.3</rxjava2.version>
@@ -1998,6 +1999,11 @@
 				<artifactId>quartz</artifactId>
 				<version>${quartz.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.reactivestreams</groupId>
+				<artifactId>reactive-streams</artifactId>
+				<version>${reactive-streams.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.seleniumhq.selenium</groupId>
 				<artifactId>htmlunit-driver</artifactId>