[FIX] fleet: prevent crash when no cost_ids
[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] web_linkedin: link (in) the config_parameter with the correct group
[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
[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
merge from odoo/8.0