Merge pull request #101 from GoogleCloudPlatform/extending

Fix dockerfile for extending runtime

Author: tswast

managed_vms/extending-runtime/src/main/appengine/Dockerfile

@@ -1,4 +1,4 @@
 FROM gcr.io/google_appengine/jetty9
 
 RUN apt-get update && apt-get install -y fortunes
-ADD appengine-extendingruntime-1.0-SNAPSHOT.war $JETTY_BASE/webapps/root.war
+ADD managed-vms-extendingruntime-1.0-SNAPSHOT.war $JETTY_BASE/webapps/root.war