Structure leases files to handle CRUD clearly and simply.

 On branch master
 Changes to be committed:

        modified:   app/forms/fmLease.py
        modified:   app/model/mdLease.py
        modified:   app/templates/global/areas.html
        modified:   app/templates/lease.html
        new file:   app/templates/lease_edit.html
        renamed:    app/templates/recLease.html -> app/templates/lease_rcrd.html
        modified:   app/view/views.py
        modified:   app/view/vwLease.py