Add "Quick start" section for bootstrapping

Minor formatting and text updates.
Point "Quick start" instructions to wireddown fork

Minor casing updates.
Added copyright.
Update README.md for "Quick Start" and spelling
Update README.md for new users and VIKit

Reordered the sections to have usage and quick start first, followed by the full installation and configuration instructions, so new users can evaluate whether or not they want to use LabViewGitEnv.

Mentioned VIKit in quick start and LabVIEW configuration.
Adjust heading levels & contributors in README.md

Before, the full setup instructions looked like sub-topics of the Windows quick setup, which was confusing.
Add instructions for updating via Windows quick start
Merge pull request #5 from wireddown/master

Update README.md for new users and VIKit