[IMP] CRM Onboarding improvement
[IMP] sale_stock: warehouse_id field on sale order is now readonly, except in draft and sent states.
[IMP] accounting: modify writeoff_amount display in payment wizard
[FIX] website_mail & calendar: demo data break the layout of mail design
[FIX] website_mail: can't be edit the mail template, javascript must be added into the asset
[FIX] website: remove multi consecutive dropzone
[FIX] snippets: use the new API to define dropzone
Merge pull request #2547 from odoo-dev/master-fix-mass-mailling-snippet-chm

[FIX] website_mail: can't edit mail templates
[IMP] product: remove UoM constraint from product module and give it in stock and account module

Closes #2440
[IMP] Website name instead of company name in title and logo
[IMP] mrp: hide some fields on BOM, add groups to handle the displayed fields
[FIX] website: fallback on company name for non-website templates
[FIX] Use website's `domain` field for multi-website

This commit is related to d51157154e478d1fafdd5b7861346535baeed6d2
[IMP] [MOV] account_analytic_analysis, hr_timesheet
- move the service product from product to hr_timesheet
- move default time unit for services from sale to account_analytic_analysis
to ease the configuration
[ADD] website: new table format snippet

(cherry-picked from 383ab454725d9bf8d01392a587c8a2c0c2116294)
(Closes #2429)
[IMP] website_forum : Karma check for tag creation and follow tag mechanism