- removed default gradients - renamed bg-*-gradient to bg-gradient-* to follow bootstrap's default gradients - added btn related gradient hover & active changes - updated related demo files (index.html, pages/widgets.html & pages/UI/buttons.html) - rebuild dist files
- updated Widget.js - updated _cards.scss - enabled gradients in _bootstrap-variables.scss - fixed old bg-*-gradient (theme colors) - added bg-*-gradient (colors) - updated cards demo section in pages/widgets.html