Tags: andrewillard/neon-animation

Merge pull request PolymerElements#179 from dstockwell/123

v1.2.2 -> v1.2.3

v1.2.1 -> v1.2.2

1.2.0 -> 1.2.1

v1.1.1 -> v1.2.0

v1.1.0 -> v1.1.1

v1.0.8 -> v1.0.9

v1.0.6 -> v1.0.7

use web-animations-js#2.1.2

Resolves PolymerElements#51