Visibility Helpers Classes
Add the possibility to update font-family
Revert "Add the possibility to update font-family"

This reverts commit 647354b5483c12abdf4dc1c636f37a4803252de0.
Font family
One-item submenu fix
Visibility mixins
Visibility mixins
Merge branch 'master' into develop
Merge branch 'develop'
Merge branch 'feature/visibility_helpers_classes' of github.com:caouecs/Gumby into caouecs-feature/visibility_helpers_classes
Merge branch 'master' of github.com:rdolgushin/Gumby into rdolgushin-master
Update min height of dropdown ul to 50px to accomodate single item dropdowns
Update min height of dropdown ul to 50px to accomodate single item dropdowns
Merge branch 'develop'
Removed semantic demo file
Merge branch 'develop'
Replace jQuery 1.8.3 with 1.9.1. Update skiplinks to use promises with html,body animation so callback is only called once
Re optimised gumby.min.js
Tidy script includes in ui.html
Update demo.html to jQuery 1.9.1