Dockerfile: stop hardcoding version number in JAR filename

Dockerfile

@@ -5,6 +5,6 @@ MAINTAINER Chris Rebert <code@chrisrebert.com>
 WORKDIR /
 USER daemon
 
-ADD target/scala-2.11/no-carrier-assembly-1.0.jar /app/no-carrier.jar
+ADD target/scala-2.11/no-carrier-assembly.jar /app/no-carrier.jar
 
 ENTRYPOINT ["java", "-jar", "/app/no-carrier.jar"]