Update placeholder js.
added kartris e-commerce link
Clicking on active accordion heading closes active section
Add way to refresh selection in custom select without refreshing the whole component

When changing the selection in a list, we don't to refresh the whole component (it can be time consumer when the list contains a lot of options)
Added li element to the sub-nav style
use animation_speed instead of hard coded value, closes #2846
Merge branch 'master' of github.com:zurb/foundation
make sure to remove active class from non-active slides, closes #2861
updated modx flexibility theme link
fix issue with $include-html-orbit-classes not being respected in orbit, closes #2826
Merge branch 'master' of github.com:zurb/foundation
Limit toggle closing behavior to accordion sections
Merge pull request #2862 from mmikitka/subnav_add_li_element

Added li element to the sub-nav style.
Fix to show default section with deep_linking

When using deep_linking a default section would not automatically show
when the url did not have a valid hashtag in it. This changes the
behavior to automatically show the first section even if there is not a
valid hashtag visible.
Merge pull request #2866 from OrionSeven/fix-show-default-section

Fix to show default section with deep_linking
typo fix

`elements with and anchor` -> `elements with an anchor`
Update Readme.md to include Serve Foundation
Merge pull request #2881 from case/patch-1

typo fix
update license copyright
New emCalc to take optional base em value as parameter