[FIX] account, bank statement reconciliation: payment and invoice in foreign currency use case fixed

[FIX] crm: lead_to_opportunities, check that current active_id has not been already merged by another previous active_id. Else, we was trying to browse an lead which was already deleted by a previous merge in the same loop.

fix typo on undeclared variable xml_id

needs fixes, and corresponding web client reference

* fix some docstrings so they can be autodoc'd
* intersphinx mapping (and links to) werkzeug and python

Split the ternary field application in active and show_customize, all four
possible value are now needed for the customize theme popup.

[FIX] account: fixes of bank statement reconciliation widget. Add of a partner_name field to hold the name of the counterparty in case it is not detected instead of merging it to the communication. Structured communication goes in the same communication field, while reference field holds the reference of the transaction (for whatever that means)"

[FIX] crm: onchage user_id, don't use the uid by default, but user the user_id. Else Saleteam are setted for current user who are editing and not salesman assigned. + Fix disintct name for attachment

To browse the forum post, as the partner of the create_uid of the post is needed, which can't be read by portal users.

[IMP] mail: various cleaning and fixes in the notification email links (wording, missing document name management)

[FIX] mail: invite: name of the document was missing in the link to access the document, leading to 'Access False'.

[FIX] mail: chatter: display blockquotes with normal font size (appearing for example when replying through thunderbird).

record rules.

Partial revert of commit 80017b04.

Conflicts:
	addons/web/static/src/js/chrome.js

[FIX] translations loading for selection fields in website

This was added as a security check, but access to this field is need by the wizard itself.
As non employee users can't read/create email templates, this will not be problematic

Selection fields in the new QWeb reports aren't being translated, because the context with the language isn't being passed.