tip for blind users of setup.exe regarding package installation

[Adam Puckett]

Here's how I went about installing Cygwin via setup.exe with the free,
open source screen reader NVDA:

1. Download and run setup.exe, and click "Next" at each prompt, as the
user guide says, for a core install.
2. Install additional packages with the -P option. E.G.:

setup -P gcc -P git -P bzr -P python

etc.

Adam