Switch back to Reactor Bismuth SNAPTHOTs

Preparing for Bismut-SR11

build.gradle

@@ -48,7 +48,7 @@ ext {
 	kotlinVersion        = "1.2.51"
 	log4jVersion         = "2.11.1"
 	nettyVersion         = "4.1.29.Final"
-	reactorVersion       = "Bismuth-SR10"
+	reactorVersion       = "Bismuth-BUILD-SNAPSHOT"
 	rxjavaVersion        = "1.3.8"
 	rxjavaAdapterVersion = "1.2.1"
 	rxjava2Version       = "2.1.17"
@@ -152,6 +152,7 @@ configure(allprojects) { project ->
 
 	repositories {
 		maven { url "https://repo.spring.io/libs-release" }
+		maven { url "https://repo.spring.io/libs-snapshot" }
 	}
 
 	dependencies {