Added VS tip

Author: gineshidalgo99

doc/installation.md

@@ -104,7 +104,7 @@ You just need to remove the OpenPose folder, by default called `openpose/`. E.g.
 
 ### Installation - Library
 1. Install the pre-requisites:
-    1. Microsoft Visual Studio (VS) 2015.
+    1. Microsoft Visual Studio (VS) 2015 Enterprise Update 3. VS Enterprise Update 1 will give some compiler errors, while VS 2015 Community has not been tested.
     2. [CUDA 8](https://developer.nvidia.com/cuda-downloads): Install it on the default location, `C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v8.0`. Otherwise, modify the Visual Studio project solution accordingly. Install CUDA 8.0 after Visual Studio 2015 is installed to assure that the CUDA installation will generate all necessary files for VS. If CUDA was already installed, re-install it after installing VS!
     3. [cuDNN 5.1](https://developer.nvidia.com/cudnn): Once you have downloaded it, just unzip it and copy (merge) the contents on the CUDA folder, `C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v8.0`.
 2. Download the OpenPose dependencies and models (body, face and hand models) by double-clicking on `{openpose_path}\windows\download_3rdparty_and_models.bat`. Alternatively, you might prefer to download them manually: