Update Reactor Netty modules

Since reactor/reactor-netty#739, the `reactor-netty` module is now split
into two: `reactor-netty-core` and `reactor-netty-http`.

This commit updates the Spring Framework build accordingly.

Author: bclozel

spring-messaging/spring-messaging.gradle

@@ -8,7 +8,7 @@ dependencies {
 	compileOnly(project(":kotlin-coroutines"))
 	optional(project(":spring-context"))
 	optional(project(":spring-oxm"))
-	optional("io.projectreactor.netty:reactor-netty")
+	optional("io.projectreactor.netty:reactor-netty-http")
 	optional("io.rsocket:rsocket-core")
 	optional("io.rsocket:rsocket-transport-netty")
 	optional("com.fasterxml.jackson.core:jackson-databind")

spring-test/spring-test.gradle

@@ -68,7 +68,7 @@ dependencies {
 	testCompile("org.apache.tiles:tiles-servlet")
 	testCompile("org.hsqldb:hsqldb")
 	testCompile("org.apache.httpcomponents:httpclient")
-	testCompile("io.projectreactor.netty:reactor-netty")
+	testCompile("io.projectreactor.netty:reactor-netty-http")
 	testCompile("de.bechte.junit:junit-hierarchicalcontextrunner")
 	testRuntime("org.junit.vintage:junit-vintage-engine") {
 		exclude group: "junit", module: "junit"

spring-web/spring-web.gradle

@@ -23,7 +23,7 @@ dependencies {
 	optional("io.netty:netty-handler")
 	optional("io.netty:netty-codec-http") // Until Netty4ClientHttpRequest is removed
 	optional("io.netty:netty-transport")  // Until Netty4ClientHttpRequest is removed
-	optional("io.projectreactor.netty:reactor-netty")
+	optional("io.projectreactor.netty:reactor-netty-http")
 	optional("io.undertow:undertow-core")
 	optional("org.apache.tomcat.embed:tomcat-embed-core")
 	optional("org.eclipse.jetty:jetty-server") {

spring-webflux/spring-webflux.gradle

@@ -16,7 +16,7 @@ dependencies {
 	optional("org.freemarker:freemarker")
 	optional("com.fasterxml.jackson.core:jackson-databind")
 	optional("com.fasterxml.jackson.dataformat:jackson-dataformat-smile")
-	optional("io.projectreactor.netty:reactor-netty")
+	optional("io.projectreactor.netty:reactor-netty-http")
 	optional("org.apache.tomcat:tomcat-websocket")
 	optional("org.eclipse.jetty.websocket:websocket-server") {
 		exclude group: "javax.servlet", module: "javax.servlet"

spring-websocket/spring-websocket.gradle

@@ -25,5 +25,5 @@ dependencies {
 	testCompile(testFixtures(project(":spring-web")))
 	testCompile("org.apache.tomcat.embed:tomcat-embed-core")
 	testCompile("org.apache.tomcat.embed:tomcat-embed-websocket")
-	testCompile("io.projectreactor.netty:reactor-netty")
+	testCompile("io.projectreactor.netty:reactor-netty-http")
 }