Update wiki installtion page

Author: hshen14

README.md

@@ -9,7 +9,7 @@ Check out the [project site](http://caffe.berkeleyvision.org) for all the detail
 - [DIY Deep Learning for Vision with Caffe](https://docs.google.com/presentation/d/1UeKXVgRvvxg9OUdh_UiC5G71UMscNPlvArsWER41PsU/edit#slide=id.p)
 - [Tutorial Documentation](http://caffe.berkeleyvision.org/tutorial/)
 - [BVLC reference models](http://caffe.berkeleyvision.org/model_zoo.html) and the [community model zoo](https://github.com/BVLC/caffe/wiki/Model-Zoo)
-- [Installation instructions](http://caffe.berkeleyvision.org/installation.html)
+- [Installation instructions](https://github.com/intel/caffe/wiki/Installation)
 
 and step-by-step examples.