Exposed more scss variables to control Orbit styles
Added multi_expand option for accordion

Updated section configuration documentation
Added stopPropagation to prevent duplicate click events.
Merged with upstream master
Update data-orbit-link with data-orbit-slide

When a orbit slide changes, any data-orbit-link elements that are
linked to the newly active data-orbit-slide will be updated
accordingly. This is done by adding a class of 'active' to the link
that corresponds to the active slide.
Fix margin for custom $button-border-width

The margin was fixed to "-1px", so if $button-border-width variable was set to custom border-width, it resulted in a disproportionately buttons-group.
Fixed loading of data-options overrides in resize function
Added 'opened' and 'closed' events when sections are opened/closed
Check if nav has the sticky class before adding or removing it. Not checking causes severe framerate drops as addClass was called continuously during page scroll.
Merge pull request #3012 from serglo/patch-1

Fix margin for custom $button-border-width
Display blank input instead of null for custom selects with no option tags
Merge branch 'master' of github.com:zurb/foundation
Add additional variable to adjust margin for non-bulleted lists separately from bulleted ones
aloks change to top-bar margin bottom set to 0px
Merge branch 'master' of github.com:zurb/foundation
added fndtn.section namespace to opened/closed events
Fixed fade animation in rtl.
Fixed fade animation in rtl.
provide hooks for scss and js paths in Foundation so it can be used with sprockets. Foundation.root, Foundation.js_path, and Foundation.scss_path will be available.
Moved Orbit nav arrows into .orbit-slides-container

Makes it so top: 50% works properly and changed the negative margin-top
to be 1/2 the height of the nav arrow housing so it's actually centered.