yaml: use selected user and not admin for onchange

Fixes: #1885
yaml: use selected user and not admin for defaults
[FIX] Fixes #4026 on discount barcode in POS
[FIX] account_check_writing: correct domains on allow_check

Fixes #4269
[FIX] project: don't use planned_hours in project gantt

The gantt view does not have enough data to properly display a project's length
based on only the planned hours.
It also makes it impossible to change the project's length using drag & drop.
It's safer to simply display the start and end dates recorded in the project
Fixes #2632
[REF] Packaging: Backport of v8 packaging

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[FIX] Packaging: backport of 134716308266ff
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[FIX] sql_db: close db connexions before removing them.

Closes #831 aka lp 1322191
[FIX] event onchange event type

Courtesy of Alejandro Santana

Closes: #1046, #1047
Merge pull request #1886 from lepistone/7.0-fix-yaml-onchange-user

use selected user and not admin to run yaml tests
[FIX] account_anglo_saxon: account selection for onchange

Following 3a50d4b3, should not distinguish invoice and refund for account
selection in anglo-saxon.
Do this in both onchange method and invoice creation from picking.
[FIX] account_anglo_saxon: do not put stock accounts on services

Services are not moved in stock so invoices created from stock.picking should
not use stock accounts, same when creating lines for sales. opw 615263
[FIX] account_anglo_saxon: keep reference to stock.move on invoice line

When an invoice is created from a picking keep a reference to the stock.move to
use the right price for the COGS entry.
This used to be done by the _prepare_invoice_line method but it was removed
during WMS refactoring, replacing by the brand new _get_invoice_line_vals
method! opw 615263
[FIX] report barcode cast humanreadable
[FIX] web footer link from OpenERP to Odoo
[FIX] doc: clean exercise-dashboard xml to v8

Courtesy of Moises Lopez

Closes: #4336
[FIX] doc: views calendar view attribute name

Courtesy of: Michiels Denis

Closes: #4249
[FIX] l10n_ro: changed module author as requested in issue 621105
[FIX] web: base.css: fallback for browsers without calc support

see https://developer.mozilla.org/en-US/docs/Web/CSS/calc
[FIX] base: translate place holders in partner view

Placeholders for City, ZIP and State were not translated
Fixes #4340 (and one of #1755), opw 616589
[FIX] survey: use ustr instead of str for question.question