New WebDAV PUT method handles much better catalog and uid related issues in ContributionTool. The main difference with the standard one is that we call here constructContent with is_indexable=0. This way, documents which are created are not indexed.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@15685 20353a03-c40f-0410-a6d1-a30d3c3de9de