Allowing SharedSuppliers to have multiple Suppliers. Should fix bennibu#107.
Showing/allowing multiple suppliers per shared supplier in shared-supplier-listing.
Merge branch 'rails3-allow-multiple-suppliers' of git://github.com/foodcoop-rostock/foodsoft into foodcoop-rostock-rails3-allow-multiple-suppliers
Fixed bug in with new shared multiple suppliers feature.
Merge branch 'rails3' into rails3-to-master

Conflicts:
	app/views/suppliers/shared_suppliers.haml
(git)Ignore localeapp config.
Updated locales from localeapp.