Merge pull request #6201 from shelhamer/official-aws-ami

installation: switch pointer to official AWS AMI

docs/installation.md

@@ -17,7 +17,7 @@ The official Makefile and `Makefile.config` build are complemented by a [communi
 - [RHEL / CentOS / Fedora installation](install_yum.html)
 - [Windows](https://github.com/BVLC/caffe/tree/windows) *see the Windows branch led by Guillaume Dumont*
 - [OpenCL](https://github.com/BVLC/caffe/tree/opencl) *see the OpenCL branch led by Fabian Tschopp*
-- [AWS AMI](https://github.com/bitfusionio/amis/tree/master/awsmrkt-bfboost-ubuntu14-cuda75-caffe) *pre-configured for AWS*
+- [AWS AMI](https://aws.amazon.com/marketplace/pp/B01M0AXXQB) *official deep learning amazon machine image from AWS*
 
 **Overview**: