Move the comments fields in a page
Move the comments fields in a page

They take too much place in the first page of the notebook.  Improved the
layout of these fields (use the same layout than sale_condition_template)

vrenaville/account-invoice-reporting,charbeljc/account-invoice-reporting,damdam-s/account-invoice-reporting,hurrinico/account-invoice-reporting,Endika/account-invoice-reporting,amoya-dx/account-invoice-reporting,Eficent/account-invoice-reporting,massot/account-invoice-reporting,raycarnes/account-invoice-reporting