Update README.md

Added link to zurb foundation project on drupal.org
Update README.md

Add comma for appositive phrase and corrected markdown.
Update foundation.topbar.js
Merge pull request #1953 from Usse/patch-1

Update foundation.topbar.js issues 1915
fixed docs typo
Merge branch 'master' of github.com:zurb/foundation
Revert "Always append foundation to application stylesheet."

This reverts commit dc879dc096025fda536cc3ac8279280939df53e5.
Update examples with data-dropdown-content attribute.
Merge branch 'master' of github.com:zurb/foundation
Merge pull request #1921 from chrisjlee/master

Please add a mention to our zurb foundation theme
updated overview
updated sidebar
only require rubyracer gem in production
Merge branch 'master' of github.com:zurb/foundation
added Yeoman generators to README
Merge pull request #1958 from lkbgift/master

Added Yeoman-Foundation generator
added magellan variables to _settings.scss
made padding a variable for magellan
removed reference about a single top-bar only
updated centered class reference