[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)
[FIX] Update README for master
[IMP] l10n_pl: some corrections in Polish CoA

PLN as default currency
Many improvements in taxes and fiscal positions
Fixes #825
[ADD] web_pdf_viewer: PDF in-browser preview

This module extends web client and reporting tool in order to allow a
preview of PDF files directly in the browser (if supported by the
browser). If you disable it, standard file download stays available.
[FIX] google_calendar: browse user as SUPERUSER_ID to be able to write/update google_calendar info on user
[FIX] web_tip: scroll if needed prior to displaying a tip
[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.