Update to reactor-core 3.0.4.BUILD-SNAPSHOT

build.gradle

@@ -78,7 +78,7 @@ configure(allprojects) { project ->
 	ext.protobufVersion        = "3.1.0"
 	ext.quartzVersion          = "2.2.3"
 	ext.reactivestreamsVersion = "1.0.0"
-	ext.reactorCoreVersion     = '3.0.3.RELEASE'
+	ext.reactorCoreVersion     = '3.0.4.BUILD-SNAPSHOT'
 	ext.reactorNettyVersion    = '0.6.0.BUILD-SNAPSHOT'
 	ext.romeVersion            = "1.7.0"
 	ext.rxjavaVersion          = '1.2.4'