+ revert: some changes from https://github.com/zurb/foundation/commit/cc00c427f7cc76086c6d9aaff335ab70a9de45dd
Add New Accessibility Classes

Update Visibility Docs For New Accessibility Classes.
Create examples_accessibility_hidden.html

Add new example for new accessibility classes.

Still needs to be finished. :D
Create examples_accessibility_visible.html

Add new docs for new accessibility classes.

Still needs finishing. :D
Fix spelling errors

$visibility-hidden-list
Fix line height issue
Remove topbar from off-canvas

There is no need to have the topbar component added to off-canvas (as shown in the docs with the minimal example).

There was also a misspelling in the visibility component which was causing an error during the build, which I fixed.
Finish examples_accessibility_visible.html
Update visibility.html
Update _grid.scss

duplicate .#{$size}-reset-order
Merge pull request #5019 from sjonnet19/patch-1

Fix spelling errors
Merge pull request #5030 from winghouchan/accessibility-visibility-docs

Update Docs for New Accessibility Classes
Merge pull request #5029 from voigtan/patch-1

Update _grid.scss
Merge pull request #5021 from zslabs/master

Remove topbar from off-canvas
Merge pull request #5020 from sjonnet19/patch-1

Fix line height issue
Merge pull request #5014 from voku/fixes_for_top-bar

+ revert: (line-height) changes from "_top_bar.scss"
Merge pull request #7 from zurb/master

Update Foundation