Merge pull request #82 from LegalizeAdulthood/windows-zip

Update Windows instructions to reflect ZIP packaging
Update installing-the-cli-on-windows.md

Instructions updated for the new Zip file format and to provide more information for determining which version of the file to download and which path variable to update.
Merge pull request #83 from Dangthrimble/patch-4

Update installing-the-cli-on-windows.md
Add documentation for installing CLI using Chocolatey on Windows
Merge pull request #81 from Spinarooni/chocolatey
Delete duplicate header
Add proxy for windows
Tweak type colors, temporarily
Fixed bad em-dashes.
Merge pull request #85 from stonemirror/master

Fixed bad em-dashes.
Add link to video tutorial on mac page
Add link to windows screencast
Add documentation for updating exercise files
Merge pull request #88 from benwurth/master

Add documentation for updating exercise files
Add note about /etc/resolve.conf
Document env var for config file