Merge pull request #1387 from joevandyk/patch-1

Update amazon.rst to explain that Vagrant is not necessary for running Docker on ec2

docs/sources/installation/amazon.rst

@@ -5,6 +5,10 @@
 Using Vagrant (Amazon EC2)
 ==========================
 
+This page explains how to setup and run an Amazon EC2 instance from your local machine. 
+Vagrant is not necessary to run Docker on EC2. You can follow the :ref:`ubuntu_linux` instructions
+installing Docker on any EC2 instance running Ubuntu
+
   Please note this is a community contributed installation path. The only 'official' installation is using the
   :ref:`ubuntu_linux` installation path. This version may sometimes be out of date.