changelog

- .navbar-expand instead of .navbar-toggleable
- removed unused variables and classes
- changed spacing utilities
- Removed nearly all .hidden-* classes in favor of our newer .d-* display utilities
- updated colors (warning, danger, info, success)
- customization made easier
- renamed .btn-mdb to .btn-mdb-color for better naming scheme
- new contact form
- recreated parallax
- introduced gradients
- dropped jumbotron for cascading card
- improved cascading cards
- added gradient cards
- added enhanced bootstrap modals
- .btn-sm and .btn-lg instead of .btn-small and .btn-large for .btn-floating
- updated overlay cards
- improved pricings section
- social list moved to deprecated
- added border-radius to material dropdowns
- improved design
- updated accordion
- added new versions of streaks
- recreated intros
- improved sidenav
- fixed caret issue for material select
- added animations to: tooltip, popover, alerts, dropdowns 
- fixed rotating card animation (from left to right side)
- fixed input active class with dynamically added values
- updated alerts module plugin
- added slide animation for carousel 
- added mobile section