Housekeeping and dusting and such

including switching to MIT license, using built-in `--splay` option
instead of sleeping a random jitter, and attribute-i-fying the cron
schedule and splay arg.
Wherps meant to set the notifications stuff
Everything else housekeeping-wise
Merge pull request #4 from modcloth-cookbooks/housekeeping

Housekeeping and dusting and such