Templates used to send invoice / quotation / PO by email are cleaned. Custom
style is removed. Content is simplified.
For sale, only one template is kept through the various addons. Previously to
this commit there are 3 templates: standard, portal and online quote. Those
template are similar except the link to get the sale order. Now the base template
contains some logic that should be sufficient to cover all cases. This breaks
the modular approach but is easier to use for users. As templates are still mako
it is not possible to use inheritance. So having a base template knowing some bits
of overriding modules is necessary if we want to avoid having the same template
duplicated.
In qweb reports, the address is displayed according the standards of the
country where it belongs. In the email templates, the company address was
always displayed in the same way, no matter the country of the address.
These templates were deleted with c04065abd8 but there xml_id were still used in the code. Mail template are good for people, so we make them come back from the dead ...