 - [ ] (1:00?) (0:19+) fix bugs in opening directories in different projects using actions -- completely busted right now due to refactor of directory listing stuff....
 
 DONE:
+- [x] (0:30?) (0:15) when adding assignments filter out folders contained in existing assignment folders
+- [x] (1:00?) (0:12) assignment collect; don't allow until after assigned, etc. -- FLOW
 - [x] (0:30?) (0:09) create function to render course in a DOM element with basic rendering; hook into editor.coffee
 - [x] (0:30?) (0:36) create proper 4-tab pages using http://react-bootstrap.github.io/components.html#tabs
 - [x] (0:45?) (1:35) create dynamically created store attached to a project_id and course filename, which updates on sync of file.

            project_id : @props.project_id
            query      : "*#{search}*"
            cb         : (err, resp) =>
                if err
                    @setState(add_searching:false, err:err, add_select:undefined)
                    return
                if resp.directories.length > 0
                    paths = {}
                    @props.assignments.map (val, key) =>
                        paths[val.get('path')] = true
                    resp.directories = (path for path in resp.directories when not paths[path])
                @setState(add_searching:false, add_select:resp.directories)

    clear_and_focus_assignment_add_search_input: ->

###
TODO:

- [ ] (0:30?) when searching show how many things are not being shown.
- [ ] (0:45?) delete student; show deleted students; permanently delete students
- [ ] (0:45?) delete assignment; show deleted assignments; permanently delete assignment
