Update CONTRIBUTING.md
Merge branch 'master' of https://github.com/mobify/pinny into 1.0-alpha
Structure changes to encapsulate header/footer
Merge
Adding some refactoring to classes etc
Minor cleanup
Code cleanup
Variablize remaining classes
Merge branch '1.0-alpha' of github.com:mobify/pinny into a11y

Conflicts:
	dist/pinny.js
	dist/pinny.min.js
	src/js/pinny.js