JS media queries

Examples:
```
// Small queries
Foundation.utils.is_small_only();
Foundation.utils.is_small_up();

// Medium queries
Foundation.utils.is_medium_only();
Foundation.utils.is_medium_up();

// Large queries
Foundation.utils.is_large_only();
Foundation.utils.is_large_up();

// XLarge queries
Foundation.utils.is_xlarge_only();
Foundation.utils.is_xlarge_up();

// XXLarge queries
Foundation.utils.is_xxlarge_only();
Foundation.utils.is_xxlarge_up();