project is asked during creation. A link to create project if it does
not exists is also available.
NEW Uniformize form creation of proposal to add public and private notes
during creation like done for order and invoice.

generation.

selection.

Add field fifo and lifo into product table.

NEW If no photo is available for user, we show a generic photo depending
on gender

FIX Better error messages when uploading photo of user when permission
to write are not granted 

function.

FIX : when we create an agenda event with "Not applicable" status, it is automatically saved with "To do" status