Minor fixes

Dockerfile

@@ -3,5 +3,4 @@ VOLUME /tmp
 COPY target/dependency/BOOT-INF/lib /app/lib
 COPY target/dependency/META-INF /app/META-INF
 COPY target/dependency/BOOT-INF/classes /app
-ENV SPRING_CLOUD_STREAM_BINDER_FILE_PREFIX /pipes
 ENTRYPOINT ["java","-Xmx128m","-Djava.security.egd=file:/dev/./urandom","-XX:TieredStopAtLevel=1","-noverify","-cp","app:app/lib/*","io.projectriff.invoker.JavaFunctionInvokerApplication"]

pom.xml

@@ -19,7 +19,6 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
-		<spring-cloud-stream-file.version>1.0.0.M1</spring-cloud-stream-file.version>
 		<reactor.version>3.2.0.M1</reactor.version>
 		<spring-cloud.version>Edgware.RELEASE</spring-cloud.version>
 		<spring-cloud-function.version>1.0.0.BUILD-SNAPSHOT</spring-cloud-function.version>

src/test/java/io/projectriff/invoker/GrpcTestClient.java

@@ -43,14 +43,10 @@ public class GrpcTestClient {
 	private final ManagedChannel channel;
 	private final MessageFunctionStub asyncStub;
 
-	/** Construct client for accessing RouteGuide server at {@code host:port}. */
 	public GrpcTestClient(String host, int port) {
 		this(ManagedChannelBuilder.forAddress(host, port).usePlaintext(true));
 	}
 
-	/**
-	 * Construct client for accessing RouteGuide server using the existing channel.
-	 */
 	public GrpcTestClient(ManagedChannelBuilder<?> channelBuilder) {
 		channel = channelBuilder.build();
 		asyncStub = MessageFunctionGrpc.newStub(channel);
@@ -100,4 +96,4 @@ public void onCompleted() {
 		latch.await(10, TimeUnit.SECONDS);
 		return value;
 	}
-}
+}