Fix #1459 / Position adjustment

Add an offset setting for position adjustment (https://github.com/zurb/joyride/commit/9947443e1ceafa623fece4c74eefa9b87c474cd5)
Fix form submission handling example

Previous example was firing the "Handle the submission of the form" event any time any field was edited, which is clearly not right.  Something like this *seems* to work, and may have been what the original author intended?
Added open_selectors option to settings, and updated the documentation.
Removed debugging statements.
Update foundation.dropdown.js

Centered the dropdown with it's parent, and the pip with the dropdown. Both are now responsive to shifting page sizes.
Add a setting for top bar hover (Part 2)

2nd part of :
https://github.com/zurb/foundation/pull/5087
Adjustments to fix the navigation if additional elements are added to the template.
Fix #5209: use cursor pointer

Use cursor pointer on orbit bullets, clickable elements should look clickable.
Fix #5207: move animating flag

Set animating flag after checking for end slides/circular
Close <meta /> tag to be valid XHTML
doc pages offcanvas toggle anchor requires href

 Updated offcanvas examples to include href attribute on toggle anchors.

 The offcanvas toggle anchors require an href attribute to work properly
 on iphones as discussed here
 http://foundation.zurb.com/forum/posts/1651-cant-get-off-canvas-to-toggle-on-mobile
Use correct 'this' when setting data-interchange-last-path.

Because the 'this' being used was for the wrong scope
data-interchange-last-path is not set. This can lead to making multiple
requests for the same content unnecessarily.
Add comma support for Abide number validation
Update _block-grid.scss

fixes #4998
Update _settings.scss
fixes #4998
added foundation intro banner
Merge branch 'master' of github.com:zurb/foundation into course-banner
Reorder code to improve event binding functionality (Fixes Issue #5043)
Fix hamburger for topbar and offcanvas