Starting around Feb 27 2018, "python" installs python 3.x instead of
2.x. Also remove git which should be present from the Xcode command
line tools and python2 which should be present in the base macOS
install.
#### Additional OSX System Requirements
-Tested on OSX version 10.12.4
+Tested on OSX version 10.13.3
Setup Homebrew and components
export PATH=/usr/local/bin:$PATH
-- Add packages with the following (may need refinement)
+- Add packages with the following:
- brew install cmake python python3 git
+ brew install cmake python
### Android Build