[docs] remove obsolete YARN link and cleanup download links

docs/_config.yml

@@ -34,16 +34,12 @@ version_short: "0.9" # Used for the top navbar w/o snapshot suffix
 # This is the Scala version we use in this version
 scala_version: "2.10"
 
-# Download urls
-download_url: "http://flink.apache.org/downloads.html"
-download_url_hadoop1: "http://stratosphere-bin.s3-website-us-east-1.amazonaws.com/flink-0.9-SNAPSHOT-bin-hadoop1.tgz" 
-download_url_hadoop2: "http://stratosphere-bin.s3-website-us-east-1.amazonaws.com/flink-0.9-SNAPSHOT-bin-hadoop2.tgz" 
-
 # Some commonly linked pages (this was more important to have as a variable
 # during incubator; by now it should also be fine to hardcode these.)
 website_url: "http://flink.apache.org"
 jira_url: "https://issues.apache.org/jira/browse/FLINK"
 github_url: "https://github.com/apache/flink"
+download_url: "http://flink.apache.org/downloads.html"
 
 # Setup quickstart uses this => to be changed
 FLINK_DOWNLOAD_URL_HADOOP1_STABLE: "http://www.apache.org/dyn/closer.cgi/flink/flink-0.8.1/flink-0.8.1-bin-hadoop1.tgz"

docs/quickstart/setup_quickstart.md

@@ -152,7 +152,7 @@ are very important configuration values.
 ## Flink on YARN
 You can easily deploy Flink on your existing __YARN cluster__. 
 
-1. Download the __Flink YARN package__ with the YARN client: [Flink for YARN]({{site.FLINK_DOWNLOAD_URL_YARN_STABLE}})
+1. Download the __Flink Hadoop2 package__: [Flink with Hadoop 2]({{site.FLINK_DOWNLOAD_URL_HADOOP2_STABLE}})
 2. Make sure your __HADOOP_HOME__ (or _YARN_CONF_DIR_ or _HADOOP_CONF_DIR_) __environment variable__ is set to read your YARN and HDFS configuration.
 3. Run the __YARN client__ with: `./bin/yarn-session.sh`. You can run the client with options `-n 10 -tm 8192` to allocate 10 TaskManagers with 8GB of memory each.
 

docs/setup/yarn_setup.md

@@ -28,7 +28,9 @@ under the License.
 Start a YARN session with 4 Task Managers (each with 4 GB of Heapspace):
 
 ~~~bash
-wget {{ site.download_url_hadoop2 }}
+# get the hadoop2 package from the Flink download page at
+# {{ site.download_url }}
+curl -O <flink_hadoop2_download_url>
 tar xvzf flink-{{ site.version }}-bin-hadoop2.tgz
 cd flink-{{ site.version }}/
 ./bin/yarn-session.sh -n 4 -jm 1024 -tm 4096
@@ -41,7 +43,9 @@ Once the session has been started, you can submit jobs to the cluster using the
 ## Quickstart: Run a Flink job on YARN
 
 ~~~bash
-wget {{ site.download_url_hadoop2 }}
+# get the hadoop2 package from the Flink download page at
+# {{ site.download_url }}
+curl -O <flink_hadoop2_download_url>
 tar xvzf flink-{{ site.version }}-bin-hadoop2.tgz
 cd flink-{{ site.version }}/
 ./bin/flink -m yarn-cluster -yn 4 -yjm 1024 -ytm 4096 ./examples/flink-java-examples-{{ site.version }}-WordCount.jar