[ADD] website_forum: added new funtionality to post Articles and Discussions also on forum insted of only questions. On articles and discussions users kan post multiple reply on each post insted on only one reply per post and users will able to post reply on any other reply. in list posts will be default sorted by relevancy. show introduction message when people not logged in.
[ADD] website_forum: added demo data for article and discussion.
[IMP] improved code to use cookie instead of session to show introduction message and allow only 2 leval reply funtionality in discussion and article posts.
[FIX] account: remove orphan analytic lines

If the analytic account is not present on an entry, still removes the Analytic Journal Items linked to it.
Fixes #1194, opw 610784
[FIX] account: avoid closing fiscalyear with unpost entries

As when closing fiscal periods, forbid to close a fiscal year with unposted entries.
Fixes #1194, opw 610784
[FIX] website: repair compatibility with 8.0rc1 carousel (banner) snippets that may be present in existing pages
[IMP] mass_mailing: option to keep sent emails
[FIX] website: editor: ignore spurious changes for editable content

Changes to contentEditable or attributeEditable attributes
should not cause the corresponding section to be marked
as dirty (oe_dirty). This would otherwise cause an extra
editor save() for those, wrongly marking untouched
templates as `noupdate`, and possibly triggering access
right errors.
[FIX] website_sale: too tiny quantity input (if qty > 9)
[IMP] product: name_get matching on commercial_partner_id for suppliers

The name_get of a product will use some information (e.g. default_code) based on the supplier.
The matching of the supplier should use the commercial_partner_id in case the supplier info are on the company and the partner_id in the context belongs to the company (e.g. creates quotation with a contact of the company).
Fixes #1219
[IMP][TEST] event: auto confirmation option, allowing to
automatically confirm events. In a simple flow it is usefull to automatically
confirm event and registrations.

[TEST] event: moved draft2done test into a unittest, easier to finely tune
in order to test the auto confirm option. Moreover this gives a basis to
further add python tests in the module. Hooray.
[FIX] account_analytic_analysis: invoiced field takes customer invoices only

Besides, it subtracts customer invoices with customer refund invoices
[ADD] contribution files and image removed at 2ad092b
[FIX] auth_oauth: fb and google oauth providers reset on general settings apply

 - The res_config.xml file was missing in the manifest (so couldn't check the use of FB and Google OAuth from the general settings)
 - The default value for these oauth configuration were not set
[IMP] website: add snippet for floating picture
[IMP] event: refactored event form view. Usability reviews
showed that the form view was complicated and difficult to use. Now
that stat button and edition options in the front-end exist, it is
possible to remove some of the numerous tabs as well as some options
from the form view.

Coming: further cleaning of the model, behavior and probably the various
event-related views.
[IMP] ir_qweb: allow to display a datetime like a date
[FIX] Package: Windows: service name in setup.nsi
[FIX] sale_order_date: requested_date editable in `sent` state
[FIX] barcode interface: a lot of deferred were not correctly returned