prepend/append button fix for firefox

Navbar logo overflow on rotation fix

Fix CSS merge conflicts

Clear up minor JS errors, missing semi colons and mixed tab/spaces

Fixed margin:0 auto !important on centered columns in semantic grid

Checkbox/radio button [disabled] checks

Show default cursor on active tab links. Include composer.json.

Release 2.4.0

Merged @caouecs pull request for left/right align classes and pull no…

…ne placeholder/mixin. Add radio/checkbox <i> to <span> rather than parent label as @wing5wong suggested. Fix app/prepend button/input btn padding.

Allow icons to be removed from the framework without breaking the bui…

…ld. Bump bower.