same slots for add and edit schema forms

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@19994 a0171fae-0946-0410-966d-b1775066cd26
sample code to change schema props

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@19995 a0171fae-0946-0410-966d-b1775066cd26