[FIX] hr_timesheet: missing '&' in domain clause

To search the contracts for payroll, the domain is constructed with three clauses. Each of these clauses needs to start with a '&' to make sure they are correctly combined with the OR clause'
[FIX] crm : propagate the lead_id when scheldule other phone calls
[FIX] procurement: avoid to run multiple scheduler

Avoid to run the procurement scheduler multiple times in the same time, otherwise, they tend to interfere with each others
[FIX] account: better error message when regenarating opening entries (opw 606923)

If we try to generate twice entries on the same fiscal year, we can get completly unrelated errors ("You can only reconcile journal items with the same partner").
With this, we make sure people will first cancel the entries before regeneraing the entries.
[FIX] sale: only propose services for pay advances

When creating an invoice from a sale order, if the user choose to invoice a fixed price (deposit), he has the possibility to choose an advance product. As described in the help message, this product should be a service product. Therefore, we add a domain so only services are displayed in the dropdown list
[FIX] project : do not show canceled projects in task

fixes #938, opw 610318
[FIX] web: reload after wizard when record has been removed cause exception

If an action unlink the current records (e.g. unreconcile on account.move.reconcile), trigger history_back to avoid errors when trying to reload inexistant record (opw 607883)
This is a partial backport of saas-4 code (rev c0db6ae, 162ad1c) and should not be forward ported.
[FIX] delivery: use unit of measure and not unit of stock to compute price of delivery

The computation expects uom and it was wrongly passing uos qunatities.
[FIX] stock: allow same serial number for different products

Bug lp:1222289, opw 597639
[FIX] web: correct rev 680f955

Missing backport of commit f652402 for buffered dataset
Again, should not be forwardported
[FIX] mail: display translated model name at record creation

When a record is created, if it inherits from mail.thread, a message 'OBJECT created' is posted. 'created' is translated but the name of the model wasn't.
This fix uses the name of the linked ir.model which is already a translatable field.
lp:1262000, opw 611043
[FIX] purchase_analytic_plans: keep reference to analytic distribution

Purchase orders created with invoice policy 'Based on incoming shipments' were not keeping the reference to the account analytic distribution when invoiced. opw 607577
[IMP] account: do not offer closed analytic accounts on invoices

lp:1223922, opw 609656
[FIX] stock: do not set user_id on prepare_invoice_group

The user_id is already set by the prepare_invoice method, which is called before the prepare_invoice_group (the user_id is already set, thus)
Besides, _prepare_invoice is overriden in sale_stock, to set the picking sale order salesman as user_id, and, without this correct, grouping invoicse by partner re-set the user_id to uid, which is wrong.
[ADD] base_vat: add VAT validation for Peruvian localization.
[FIX] ir_fields: allow accent on selection import

If the selection label (not value) had accents, it wasn't possible to import it using the label having accents
[ADD] safe_eval: UNPACK_SEQUENCE and Exception

Allowing UNPACK_SEQUENCE allows the use of the "multi" assignation:
a, b = [1,2]
for a,b in items
[FIX] hr_holidays: do not allow reduce remaining leaves

In the Employee form, a remaining legal leaves field is available, which shows remaining validated leaves from allocation requests
As this is not allowed to delete a validated allocation requets, it shouldn't be possible to reduce the validated remaining leaves of an employee.
To reduce the remaining leaves of an employee, the user should cancel and remove the allocation request
[FIX] account: no journal items on consolidation accounts

As for the view accounts, the consolidation accounts should not allow to create journal items.
Fixes #1090