[FIX] models, fields: add model dependencies for models backed up by sql views
[IMP] models: add an extension mechanism for attribute _depends on models
[IMP] addons: add _depends on models backed up by an sql view and used by other models
[IMP] fields: add missing case for invalidating fields, when path is None
[IMP] fields: improve code in former commit
[FIX] account_analytic_analysis: fix _depends
Merge pull request #989 from odoo-dev/8.0-sql-models-rco

[FIX] models, fields: add model dependencies for models backed up by sql views
[IMP] Crm: Add tracking mixin to manage utm campaign and add this mixin to mass_mailing, crm_lead and sale_order
[FIX] fetchmail: add api decorator on method connect() to fix issue #980

The method does not follow naming conventions. Therefore the "guessing" api
decorator picks the wrong method wrapper.

(Manual rebase of #1003)
[FIX] False module description blows up in docutils

fixes issue 1005
[FIX] models: wrong var used in _compute_display_name(), fixes issue #1002
Merge pull request #1018 from odoo-dev/8.0-fix-display-name-rco

[FIX] models: wrong var used in _compute_display_name(), fixes issue #1002