Updated to v1.4

- Added 'alpha' and 'omega' gutter classes to percentage grid columns
- Added variables for individual borders and border radius on grid boxed
column elements
- Added variables for individual borders and border radius on input
elements
- Added variables for individual borders and border radius on button
elements
- Added variables for individual borders and border radius on noscript
element
- Added more text/font options for header elements
- Added more text/font options for input elements
- Added more text/font options for button elements
- Added credits to 'README.md'
- Updated 'Animations' plugin to latest version (v1.3)
- Updated 'Responsive Accordion' plugin to latest version (v1.1.1)
- Updated 'Responsive Tabs' plugin to latest version (v1.2.1)
- Updated 'Responsive Toggle' plugin to latest version (v1.0.1)
- Updated 'LESS' to a CDN hosted solution
- Updated vertical stacking classes for percentage grid columns
- Updated demo and documentation