Closes #293. You can now pass a `tween` property for creating arbitrary
tween callbacks via the `progress` function. Refer to
VelocityJS.org/#progress for more information.

Created e/p/o shorthands for elements/properties/options syntactic
sugar arguments syntax. Refer to VelocityJS.org/#arguments to learn
more.

Closes #368. The stop command now has increased targeting for `queue:
false` animations, and is more robust. Refer to VelocityJS.org/#stop
for more.

Closes #396. Easing functions are now passed `opts` and `tweenDelta` so
that custom easing functions can have greater access to animation
parameters. Refer to VelocityJS.org/#easing for more.

Closes #343. Differently-colored border colors don’t throw off
`border-color` animation anymore.

Closes #321. Implements “finish” feature for prematurely stopping
current animations, but having them reach their end values and trigger
their corresponding callbacks. Refer to VelocityJS.org/#finish for more.

Closes #352. Prevents Firefox from throwing an error when animating an
SVG element that isn’t being visually rendered.

Closes #317. Array compacting now happens within ticks to ensure loops
don’t cause arrays to bloat. Thanks so much, @marvelousNinja!

Closes #324. HTML tables and tbody’s now have their proper display
values set by Velocity. Thanks so much to @dtreiter and @okrad!

Closes #371. Looping `backgroundPositionX/Y` to 100% causes a proper
incrementing loop instead of alternation.