[FIX] point_of_sale: order invoicing was broken
[REF] OpenERP --> Odoo in various UI texts

Rebranding has been done in:
- data/demo files
- html templates
- help notices
- comments
- logger messages
- and other various messages

(Commit taken from odoo-dev:8.0-improve-openerp-odoo-rlu at rev 7deaa08)

Closes #1260
[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] point_of_sale: it was impossible to delete a pos session
[REF] OpenERP --> Odoo in various UI texts (2)

Some things missed by commit 8b67a7202d9dd3492001cade3d361b8a5424ec3f
[FIX] website_hr_recruitment: typo during new API conversion

re fixes #1148
Merge pull request #1262 from odoo-dev/8.0-fix-product-lst_price-chm

[FIX] product: user who don't use product variant can't edit the price of the product in product view. This behavior is not understandable. Add a function inverse to set the value (remove the variante price before change the list_price of the template)
[FIX] im_chat : css style z-index to make it good with ecommerce and calendar
[FIX] sale: do not propagate context on send email

Otherwise, active_id, active_ids, active_model params are propagated, and it leads to inconsistencies.
For instances, go to Sales > Customers, choose a customer which has quotations.
On the form, hit the "Quotations and sales" Button
Choose a quotation. Hit the "send by email" button.
The template preview should be displayed correctly. Now send the email, than
 - Either, you have no traceback: The email sent is the email of another quotation, the quotation having as id the id of the partner you chose
 - Either, you have a traceback: There is no quotation having as id the id of the partner you chose.
[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] point_of_sale: it was impossible to delete a pos session
[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] read() method returns None values incompatible with XML-RPC
[IMP] website_quote : remove press edit button on template
[FIX] hr_attendance: typo introduced at rev 1c9e8ba077b296ec9c334800915fbbf76c81310c
[IMP] tests cases: use float_compare instead of ==
Update stock.rst

Fix typo in table
[IMP] Improved Question Advices in website_forum
[FIX] project : do not show canceled projects in task

fixes #938, opw 610318
Merge branch 'master' into master-pos-small-imps-of-july-fva