[IMP] clean sitemap, enumerate pages + fixes

addons/website/controllers/main.py

addons/website/data/data.xml

addons/website/models/ir_http.py

addons/website/models/website.py

addons/website/tests/test_requests.py

addons/website/views/website_templates.xml

addons/website_blog/controllers/main.py

addons/website_blog/models/website_blog.py

addons/website_crm_partner_assign/controllers/main.py

addons/website_forum/controllers/main.py

addons/website_forum_doc/controllers/main.py

addons/website_mail_group/controllers/main.py

addons/website_quote/controllers/main.py

addons/website_sale/controllers/main.py