Added simplified Spark installation instructions from the repo: https://github.com/donnemartin/dev-setup.

Author: donnemartin

spark/spark.ipynb

@@ -41,7 +41,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Follow the instructions provided [here](http://ramhiser.com/2015/02/01/configuring-ipython-notebook-support-for-pyspark/) to configure IPython Notebook Support for PySpark with Python 2.\n",
+    "The [dev-setup](https://github.com/donnemartin/dev-setup) repo contains scripts to install Spark and to automate the its integration with IPython Notebook through the [pydata.sh script](https://github.com/donnemartin/dev-setup/blob/master/aws.sh).\n",
+    "\n",
+    "You can also follow the instructions provided [here](http://ramhiser.com/2015/02/01/configuring-ipython-notebook-support-for-pyspark/) to configure IPython Notebook Support for PySpark with Python 2.\n",
     "\n",
     "To run Python 3 with Spark 1.4+, check out the following posts on [Stack Overflow](http://stackoverflow.com/questions/30279783/apache-spark-how-to-use-pyspark-with-python-3) or [Reddit](http://www.reddit.com/r/datascience/comments/3ar1bd/continually_updated_data_science_python_notebooks/)."
    ]