[ADD] website, website_sale, website_crm: new dashboard

addons/website/controllers/__init__.py

addons/website/controllers/backend.py

...s/website/static/src/img/website_dashboard_visit_demo.png

addons/website/static/src/js/website.backendDashboard.js

addons/website/static/src/less/website.backendDashboard.less

addons/website/static/src/xml/website.backend.xml

addons/website/views/res_config.xml

addons/website/views/website_templates.xml

addons/website_crm/__init__.py

addons/website_crm/__openerp__.py

addons/website_crm/controllers/__init__.py

addons/website_crm/controllers/backend.py

addons/website_crm/static/src/js/website_crm_backend.js

addons/website_crm/static/src/xml/website_crm_dashboard.xml

addons/website_crm/views/website_crm.xml

addons/website_sale/__openerp__.py

addons/website_sale/controllers/__init__.py

addons/website_sale/controllers/backend.py

addons/website_sale/models/__init__.py

addons/website_sale/models/crm_team.py