Merge branch 'v3.1.0'

Direction parameter is now properly changed when animation reverse

Add v3 release gif

Merge branch '2.2.0'

Merge remote-tracking branch 'origin/master'

Fix CSS prop example on Safari

Merge branch 'v2.0'

Merge branch 'v1.1.3'

Merge branch 'v1.1.2'

Merge pull request juliangarnier#69 from juliangarnier/v1.1.1

V1.1.1