Consistent commas for cubic-bezier

cubic-bezier is now consistently described as accepting a
comma-delimited list of four numbers.

Generated from:

commit d40fabec4fffab296cfb7a14d04ffd840e01dd82
Merge: 9d92a12 171a7f0
Author: Brian Birtles <birtles@gmail.com>
Date:   Wed Sep 17 14:08:42 2014 +0900

    Merge pull request #36 from ewilligers/cubic-bezier-commas

    Consistent commas for cubic-bezier

commit 171a7f086dc0c86a638dfe078ceb9cfbdef4bdd1
Author: Eric Willigers <ericwilligers@chromium.org>
Date:   Wed Sep 17 14:13:05 2014 +1000

    Consistent commas for cubic-bezier

    cubic-bezier is now consistently described as accepting a
    comma-delimited list of four numbers.