Create dead-simple workflow definition tool

[allanjamesvestal]

Let users specify who has to look at each type of content, and in which order. Tie this to django.contrib.auth groups (and maybe even users), with options for mandatory reviewers (think section editors and execs) and also non-mandatory ones (your lowly copy editors, who don't necessarily read every blog post or online update).

[allanjamesvestal]

Also, set who in this process can actually publish content — and who may edit it once it's published.