Rename to sale_order_suggestions, add state restriction and add fields to view.

--HG--
rename : sale_order_optional_products.py => sale_order_suggestions.py
Ignore compiled files.
Rename again to sale_order_related_products.

--HG--
rename : sale_order_suggestions.py => sale_order_related_products.py
Remove trash code.
Fix default value.
Improve docs.
Add button to consolidate the related product line.
Explain better the problems with reports.
Raise version.
Added tag 1.0 for changeset 1a4862c3c365