message: Add wheel dependency to cmake README
  In order to run to create the pip package after compilation, wheel needs
  to be installed. This explicitly lists wheel as a prereq in the README.
diff: @@ -26,7 +26,7 @@ The CMake files in this directory can build the core TensorFlow runtime, an
  example C++ binary, and a PIP package containing the runtime and Python
  bindings.
  -### Pre-requisites
  +### Prerequisites
  * CMake version 3.5 or later.
  @@ -34,14 +34,16 @@ bindings.
  * [SWIG](http://www.swig.org/download.html)
  -* Additional pre-requisites for Microsoft Windows:
  +* Additional prerequisites for Microsoft Windows:
  - Visual Studio 2015
  - Python 3.5
  - - NumPy 1.11.0 or later
  -* Additional pre-requisites for Linux:
  +* Additional prerequisites for Linux:
  - Python 2.7 or later
  - [Docker](https://www.docker.com/) (for automated testing)
  +
  +* Python dependencies:
  + - wheel
  - NumPy 1.11.0 or later
  ### Known-good configurations
  @@ -102,7 +104,7 @@ ops or APIs.
  Step-by-step Windows build
  ==========================
  -1. Install the pre-requisites detailed above, and set up your environment.
  +1. Install the prerequisites detailed above, and set up your environment.
  * The following commands assume that you are using the Windows Command
  Prompt (`cmd.exe`). You will need to set up your environment to use the
  