[IMP]Website_Quote: Opens quotations menu after installation
[IMP] website.snippet: create automatically the thumbnail; data-option became data-js; add data-eval method; rename check_class into toggle_class
[IMP] sale: Allow to set a default value on the SO based on the Sales Team

As the different sales teams might have different sales workflows, this will allow the user to define the shipping policy based on the sales team.
This will be particularly useful to differentiate the workflows of e-commerce sales and usual sales.
[FIX] website.snippet: the background option is not readily usable by the designer
[IMP] Bundle invalidation won't use watchdog afterall
[IMP] refactor bundle ir.attachment cache invalidation
[IMP] account_budget: default value

Adding a context which ease budget encoding as really often, creating a budget means the associated budget lines will follow the same start and end dates. Passing the context allow budget lines automatically have the budget's start and end date
Merge pull request #2050 from odoo-dev/master-theme-review-chm

[IMP] website.snippet: create automatically the thumbnail; fix background
[IMP] qweb debug mode restricted to --dev mode

Also moved the set_trace call in top of render_node() function so it
makes more sense.
[IMP] Make translation todo's readable when hovered
[IMP] stock: allow float precision for quantity qty multiple

e.g. if orders with packages of 1/2 quantity
[IMP]model: Improved read_group method to display empty column result and folded columns from related model and default_group_by field will be automatically added to the kanban no need to declare in kanban to enable the button 'Add a new column'. pass options in the read_group, In options pass 'fold_field' and 'display_empty_column' fields and remove _group_by_full methods from crm, hr_recruitment, project, project_issue, survey, website_event_track, website_forum_doc modules.