First pass at accessibility issues
Add tab index to buttons on example page
Move focus events to after animations are done
Add trap tabs functionality for keyboards
Hide outline in Chrome when Pinny is focused for screen readers
Trap Tabkey within Pinny. This doesn't work on iOS.
Fix tab indexing with new method
Switch to Zepto for examples
Merge branch '1.0-alpha' of github.com:mobify/pinny into a11y
Merge branch 'master' of https://github.com/mobify/pinny into 1.0-alpha
Fix form issues
Merge remote-tracking branch 'origin/1.0-alpha' into a11y

Conflicts:
	dist/effect/modal-center.min.js
	dist/effect/sheet-top.min.js
	dist/pinny.js
	dist/pinny.min.js
	examples/index.html
	src/js/pinny.js
Add aria-hidden to main body content
Structure changes to encapsulate header/footer
Add missing semi-colons
Remove vestigial scroll fixing
Merge branch '1.0-alpha' of github.com:mobify/pinny into a11y

Conflicts:
	dist/effect/modal-center.min.js
	dist/pinny.min.js
Clarify readme
Remove duration reference from Shade example
Specify Mobify's Velocity vs core Velocity