Add createdAt to stdout

[barryajones]

Add createdAt to the stdout so that a user can see when the build completed.

mm-dd-yyyy hh:mm:ss

[cody-greene]

Hi! Good idea. What do you think about omitting the date part and just using

now.toTimeString().substr(0, 8) // "10:37:24"

[barryajones]

[cody-greene]

released rum@v2.2.1

[barryajones]

thanks @cody-greene. I'll let the team know.

Hope your new gig is going great!