Contained to grid ignored $topbar-margin-bottom

Using .contain-to-grid now uses the $topbar-margin-bottom.
Fixes conditional check for all $include-html-??? variables
change the selector used to trigger the events on the dropdown
Merge pull request #2186 from arthurio/master

Change the selector for the dropdown events
Update README.md
Fix for $orbit-bullet-nav-color and $orbit-bullet-nav-color-active

Fix to make $orbit-bullet-nav-color and $orbit-bullet-nav-color-active scss variables change the actual orbit bullet styles.
Amendment for fix to the orbit nav-button variables
Fix orbit slide styling to use scss-variables

To match the default included sample scsss-settings.
Merge branch 'projectvariables-update' of git://github.com/ascottmccauley/foundation into ascottmccauley-projectvariables-update
Merge branch 'master' of github.com:zurb/foundation
updated where a few mixins live to simplify file structure between gem and base scss projects.
updated variables file and references to variables in a few global areas. Things are a little simpler from a naming pov now
updated code refernce on sass page
updated variables file on sass.html
removed old comment in manifest.rb file
updated to fix #1941
Merge pull request #1959 from brnrdbrk/form-elements-margin

Basic margin for form elements
Merge pull request #1961 from petemolinero/master

Move the padding to the anchor tag.
adds code to fix #1973 for more flexibility with push/pull classes for single increments
Merge pull request #1976 from lkbgift/master

Added Foundation version number next to the WordPress themes