4.0 Beta 3 launch

- add some more docs as well as version bump
- changelog(!)

CHANGELOG.md

+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [4.0-beta3] - 2017-12-30
+
+### Added
+
+- Bootstrap version bump see: https://blog.getbootstrap.com/2017/12/28/bootstrap-4-beta-3/
+
+[4.0-beta3]: https://git.gmu.edu/srct/masonstrap/compare/4.0-beta3...4.0-beta2
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CONTRIBUTING.md

+# Building components on top of Masonstrap
+
+You'll be mainly concerned with the `scss` directory as that holds all of the
+modifications we make over normal Bootstrap. DO NOT touch `masonstrap.scss` as
+that is the main entry point for SASS compilation. Otherwise make a best guess
+as the best location to place any new styles, it all get built into the same
+location. Talk to @dhaynes if you have any questions.
+
+Make changes in a branch:
+
+```sh
+git checkout -B branch-name
+git push origin branch-name
+git add .
+git commit
+git push origin branch-name
+```
+
+I'm pretty laid back on the project overall.
+
+## Gulp
+
+You should not have to worry about the build system (Gulp) unless it decides to
+poop itself in which case you should worry. Each stage is split into its own
+function that handles each case (html, scss, js, etc.) Google around, there's
+probably a package that does exactly what you need it to do.
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README.md

@@ -22,6 +22,15 @@ You can download the latest version of Masonstrap at the following URL:
 Included is the minified CSS for masonstrap, as well as other required static
 files such as JS dependencies and fonts.
 
+In lieu of serving the files yourself, you can utilize Gitlab Pages as a CDN:
+
+```html
+<link href="https://srct.gmu.io/masonstrap/css/masonstrap.min.css" rel="stylesheet">
+<script src="https://srct.gmu.io/masonstrap/js/masonstrap.min.js" />
+```
+
+Note: Use at your own risk. :)
+
 ## Building Masonstrap yourself
 
 1. Ensure `node.js` is installed: