add org and article scaffold
add org and article scaffolds
renamed article to doc
Changed Article to Doc
Changed doc model, added polymorphic association

created polymorphic ass. with doc model.  Scaffold step model and
started nesting under step resource
Add Steps to Docs

Create model and controller code to associate step to doc.  Need to
work on view and forms
add database.yml to gitignore
nested form for steps - incomplete

adds nested form for steps - fields for steps not showing in form.
Add cocoon to application.js
Merge branch 'org'
Complete Add Step Form to Docs

Views still not showing corretly
Merge branch 'Cocoon-Nested-Form'