Add Apache Flink release 1.9.1

This closes #274

Author: wuchong

_config.yml

@@ -9,7 +9,7 @@ url: https://flink.apache.org
 
 DOCS_BASE_URL: https://ci.apache.org/projects/flink/
 
-FLINK_VERSION_STABLE: 1.9.0
+FLINK_VERSION_STABLE: 1.9.1
 FLINK_VERSION_STABLE_SHORT: 1.9
 
 FLINK_ISSUES_URL: https://issues.apache.org/jira/browse/FLINK
@@ -52,23 +52,23 @@ flink_releases:
   -
       version_short: 1.9
       binary_release:
-          name: "Apache Flink 1.9.0"
+          name: "Apache Flink 1.9.1"
           scala_211:
-              id: "190-download_211"
-              url: "https://www.apache.org/dyn/closer.lua/flink/flink-1.9.0/flink-1.9.0-bin-scala_2.11.tgz"
-              asc_url: "https://www.apache.org/dist/flink/flink-1.9.0/flink-1.9.0-bin-scala_2.11.tgz.asc"
-              sha512_url: "https://www.apache.org/dist/flink/flink-1.9.0/flink-1.9.0-bin-scala_2.11.tgz.sha512"
+              id: "191-download_211"
+              url: "https://www.apache.org/dyn/closer.lua/flink/flink-1.9.1/flink-1.9.1-bin-scala_2.11.tgz"
+              asc_url: "https://www.apache.org/dist/flink/flink-1.9.1/flink-1.9.1-bin-scala_2.11.tgz.asc"
+              sha512_url: "https://www.apache.org/dist/flink/flink-1.9.1/flink-1.9.1-bin-scala_2.11.tgz.sha512"
           scala_212:
-              id: "190-download_212"
-              url: "https://www.apache.org/dyn/closer.lua/flink/flink-1.9.0/flink-1.9.0-bin-scala_2.12.tgz"
-              asc_url: "https://www.apache.org/dist/flink/flink-1.9.0/flink-1.9.0-bin-scala_2.12.tgz.asc"
-              sha512_url: "https://www.apache.org/dist/flink/flink-1.9.0/flink-1.9.0-bin-scala_2.12.tgz.sha512"
+              id: "191-download_212"
+              url: "https://www.apache.org/dyn/closer.lua/flink/flink-1.9.1/flink-1.9.1-bin-scala_2.12.tgz"
+              asc_url: "https://www.apache.org/dist/flink/flink-1.9.1/flink-1.9.1-bin-scala_2.12.tgz.asc"
+              sha512_url: "https://www.apache.org/dist/flink/flink-1.9.1/flink-1.9.1-bin-scala_2.12.tgz.sha512"
       source_release:
-          name: "Apache Flink 1.9.0"
-          id: "190-download-source"
-          url: "https://www.apache.org/dyn/closer.lua/flink/flink-1.9.0/flink-1.9.0-src.tgz"
-          asc_url: "https://www.apache.org/dist/flink/flink-1.9.0/flink-1.9.0-src.tgz.asc"
-          sha512_url: "https://www.apache.org/dist/flink/flink-1.9.0/flink-1.9.0-src.tgz.sha512"
+          name: "Apache Flink 1.9.1"
+          id: "191-download-source"
+          url: "https://www.apache.org/dyn/closer.lua/flink/flink-1.9.1/flink-1.9.1-src.tgz"
+          asc_url: "https://www.apache.org/dist/flink/flink-1.9.1/flink-1.9.1-src.tgz.asc"
+          sha512_url: "https://www.apache.org/dist/flink/flink-1.9.1/flink-1.9.1-src.tgz.sha512"
       optional_components:
         -
           name: "Pre-bundled Hadoop 2.4.1"
@@ -106,26 +106,26 @@ flink_releases:
           name: "Avro SQL Format"
           category: "SQL Formats"
           scala_dependent: false
-          id: 190-sql-format-avro
-          url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-avro/1.9.0/flink-avro-1.9.0.jar
-          asc_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-avro/1.9.0/flink-avro-1.9.0.jar.asc
-          sha_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-avro/1.9.0/flink-avro-1.9.0.jar.sha1
+          id: 191-sql-format-avro
+          url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-avro/1.9.1/flink-avro-1.9.1.jar
+          asc_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-avro/1.9.1/flink-avro-1.9.1.jar.asc
+          sha_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-avro/1.9.1/flink-avro-1.9.1.jar.sha1
         -
           name: "CSV SQL Format"
           category: "SQL Formats"
           scala_dependent: false
-          id: 190-sql-format-csv
-          url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-csv/1.9.0/flink-csv-1.9.0.jar
-          asc_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-csv/1.9.0/flink-csv-1.9.0.jar.asc
-          sha_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-csv/1.9.0/flink-csv-1.9.0.jar.sha1
+          id: 191-sql-format-csv
+          url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-csv/1.9.1/flink-csv-1.9.1.jar
+          asc_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-csv/1.9.1/flink-csv-1.9.1.jar.asc
+          sha_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-csv/1.9.1/flink-csv-1.9.1.jar.sha1
         -
           name: "JSON SQL Format"
           category: "SQL Formats"
           scala_dependent: false
-          id: 190-sql-format-json
-          url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-json/1.9.0/flink-json-1.9.0.jar
-          asc_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-json/1.9.0/flink-json-1.9.0.jar.asc
-          sha_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-json/1.9.0/flink-json-1.9.0.jar.sha1
+          id: 191-sql-format-json
+          url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-json/1.9.1/flink-json-1.9.1.jar
+          asc_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-json/1.9.1/flink-json-1.9.1.jar.asc
+          sha_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-json/1.9.1/flink-json-1.9.1.jar.sha1
   -
       version_short: 1.8
       binary_release:
@@ -301,6 +301,9 @@ component_releases:
 
 release_archive:
     flink:
+      - version_short: 1.9
+        version_long: 1.9.1
+        release_date: 2019-10-18
       -
         version_short: 1.9
         version_long: 1.9.0