fix small typo
Change grid end example to medium grid instead of large
Document expanded class for buttons
Clean up advanced buttons example
Rename rendered vs display samples for buttons page according to convention
return if there's nothing to equalize
Merge branch '5.1-wip' of github.com:zurb/foundation into 5.1-wip
Re-remove line that got re-introduced with merge
Merge branch '5.1-wip' of github.com:zurb/foundation into 5.1-wip
Added HTML5 dialog support
Updated docs
Switch Reveal docs example back to a div
Swap the naming on rendered and text examples for Reveal docs
initial magellan refactor with support for destination thresholds for each expedition
doc fix
remove console statements
finish refactoring magellan
Merge branch 'master' into seantimm/topbar_test_cleanup
Add missing commas to visibility classes

Commas missing from _visibility.scss were causing certain visibility
classes to be unavailable.
Automatically generate visibility classes

Replaces most of the visibility classes with a mixin that simplifies
the process of adding or removing breakpoints and their associated
visibility classes. Resulting CSS is comprehensive without containing
any extraneous or nonsensical classes, and is far less error-prone.