Fix Travis CI complaints

flink/README-short.txt

@@ -1 +1 @@
-Apache Flink is an open source stream processing framework with powerful stream- and batch-processing capabilities.
+Apache Flink® is a powerful open-source distributed stream and batch processing framework.

flink/README.md

@@ -1,15 +0,0 @@
-<!--
-
-********************************************************************************
-
-WARNING:
-
-    DO NOT EDIT "flink/README.md"
-
-    IT IS AUTO-GENERATED
-
-    (from the other files in "flink/" combined with a set of templates)
-
-********************************************************************************
-
--->

flink/content.md

@@ -83,10 +83,10 @@ docker-compose scale taskmanager=<N>
 
 These are the default ports used by the Flink image:
 
-- The Web Client is on port `8081`
-- JobManager RPC port `6123`
-- TaskManagers RPC port `6122`
-- TaskManagers Data port `6121`
+-	The Web Client is on port `8081`
+-	JobManager RPC port `6123`
+-	TaskManagers RPC port `6122`
+-	TaskManagers Data port `6121`
 
 # About this repository
 

flink/maintainer.md

@@ -0,0 +1 @@
+[the Docker Community](%%GITHUB-REPO%%)