[Progressbar] - Animations and Refactor

[arqueror]

• Animations
• 2 styles: Square and Rounded
• Refactored components to use base classes
• Customizable Easing Interval and Easing Animation

[arqueror]

@jsuarezruiz Added new commit to refactor 2 separated controls to 1 with a "IsVertical" property. I think this makes more sense