added mm-paranoid.
use an updated version of mm-paranoid.
removed old mm-paranoid.
trying out mm-paranoid in User.
use updated mm-paranoid.
added paranoid to all models.
modified note and source scopes to not include "deleted" documents.
added deleted_at parameter to where queries (not sure if I caught them all).
Merge branch 'master' into 29-paranoid
make only Project, Note, and Source paranoid.
modified Notes spec for paranoid.
Merge pull request #94 from noted/29-paranoid

use mm-paranoid.