add fadeInSace and fadeOutScale animations

## pens:
### fadeInScale:
[basic](http://codepen.io/sol0mka/pen/abad3d0aa304ae6a102396c10c3702d0)
[basic with a set](http://codepen.io/sol0mka/pen/5d02d1580915afa7523e759cc288b16a)
[delayed with a set](http://codepen.io/sol0mka/pen/517f892db881b9a86c02313f8cb46c9f)
[delayed with a set custom easing](http://codepen.io/sol0mka/pen/517f892db881b9a86c02313f8cb46c9f)

### fadeOutScale:
[basic](http://codepen.io/sol0mka/pen/abad3d0aa304ae6a102396c10c3702d0)
[basic with a set](http://codepen.io/sol0mka/pen/e4bfba0b14f0454355aab89409e1e6ed)
[delayed with a set](http://codepen.io/sol0mka/pen/1df597c844b37fbf2582b4254d5d317f)
[delayed with a set custom easing](http://codepen.io/sol0mka/pen/162ebc6ec042df684b692456d1dbadbf)