feat(animationMixin): animate toasts using css transitions/animations

[Janekk]

An alternative mixin for ToastMessage to use css animations instead of jQuery. Animations can be configured in two ways.

• over props.transition {string} - the given transition name will be used to apply respective transition styles on toast show and hide; It bases on the same naming convention as ngAnimate and React Animation addon are using
• over props.showAnimation / props.hideAnimation {string|Array} - css class(-es) which will be applied on toast's show and hide (demo uses animations from Animate.css)

[FoxxMD]

:+1:

[Janekk]

@tomchentw any chance you could merge this PR?

[FoxxMD]

@tomchentw any update?

[bizmurr]

:+1:

[gregorym]

:+1: