This will allows to use it for several different external method
calls

- a list of repositories to synchronize can be provided
- the first repository is used for software
- transfer project revision with string like
  [repo x]=[commit count x]-[hash x],[repo y]=[commit count y][hash y]
- change related to new structure :
  recipe slapos.recipe.erp5testnode is inside slapos.cookbook egg
- allow authentification setting for several repositories
- drop support for svn

Mostly formatting changes and few obvious mistakes.

Same as 0526e075
but keeping erp5testnode because it will go back into this repository.

Remove meaningless 'Order Quantity Unit' and 'Order Quantity' columns, and use
the translated title for the 'Quantity Unit' cells.

Use Web Section's getDocumentValueList API thus turn any Web Section into a logical Forum (i.e. matter of configuring predicates on it).

- Activate alarm by default
- hide title and source_organisation_title field
- make field resource required
- trig alarm manually at form submission step (XXX id hardcoded)
- rename captcha title

dict keys must be string, fix undefined variable

- Thanks to Support Request, incoming web messages are not handled by worklist.
  CRM is driven by Tickets
- Created entities are validated

Increment since most recent (incremental OR full) backup. Thanks to this
incrementals are deltas between them, but still the newest full would be used
in case if it is more recent then last incremental.