fix versions in tutorials

docs/content/tutorials/examples.md

@@ -19,17 +19,17 @@ Clone Druid and build it:
 git clone https://github.com/druid-io/druid.git druid
 cd druid
 git fetch --tags
-git checkout druid-0.7.1
+git checkout druid-<version>
 mvn clean package
 ```
 
 ### Downloading the DSK (Druid Standalone Kit)
 
-[Download](http://static.druid.io/artifacts/releases/druid-0.7.1-bin.tar.gz) a stand-alone tarball and run it:
+[Download](http://druid.io/downloads.html) a stand-alone tarball and run it:
 
 ``` bash
-tar -xzf druid-0.7.1-bin.tar.gz
-cd druid-0.7.1
+tar -xzf druid-<version>-bin.tar.gz
+cd druid-<version>
 ```
 
 Twitter Example

docs/content/tutorials/tutorial-loading-streaming-data.md

@@ -81,7 +81,7 @@ cluster were adapted from the [Apache Kafka quickstart guide](http://kafka.apach
 
 The realtime spec for the data source in this tutorial is available under
 `examples/indexing/wikipedia.spec` from the [Druid
-download](http://static.druid.io/artifacts/releases/druid-services-0.7.1-bin.tar.gz)
+download](http://druid.io/downloads.html)
 
 1. Launch the realtime node
 

docs/content/tutorials/tutorial-the-druid-cluster.md

@@ -13,13 +13,13 @@ In this tutorial, we will set up other types of Druid nodes and external depende
 
 If you followed the first tutorial, you should already have Druid downloaded. If not, let's go back and do that first.
 
-You can download the latest version of druid [here](http://static.druid.io/artifacts/releases/druid-0.7.1-bin.tar.gz). You can also [Build From Source](../development/build.html) and grab the tarball from services/target/druid-0.7.1-bin.tar.gz.
+You can download the latest version of druid [here](http://druid.io/downloads.html). You can also [Build From Source](../development/build.html) and grab the tarball from services/target/druid-<version>-bin.tar.gz.
 
 Either way, once you have the tarball, untar the contents within by issuing:
 
 ```bash
-tar -zxvf druid-0.7.1-bin.tar.gz
-cd druid-0.7.1
+tar -zxvf druid-<version>-bin.tar.gz
+cd druid-<version>
 ```
 
 ## External Dependencies

examples/bin/examples/indexing/wikipedia_hadoop_config.json

@@ -61,7 +61,7 @@
     "type": "hadoop",
     "inputSpec": {
       "type": "static",
-      "paths": "/myPath/druid-0.7.1/examples/indexing/wikipedia_data.json"
+      "paths": "/myPath/druid-<version>/examples/indexing/wikipedia_data.json"
     },
     "metadataUpdateSpec": {
       "type": "db",