Add first draft of installation and usage to readme.
Second draft of readme.
Change readme project description.
Merge remote-tracking branch 'origin/master' into docs

Conflicts:
	README.md
Remove references to incomplete documentation
Add reference to Spline and Vellum
Update license reference
Add stub for section on contributing.
Remove references to Dust for now.
Add readme section on how to configure and extend components.
Add readme section on the `c-` and `u-` prefixes.
Refine project tagline in readme.
Fix vague variable name in readme example code.
Add a practical example to the readme section on utility classes.
Fix inconsistent punctuation in readme.
Merge pull request #36 from mobify/docs

Add readme