[IMP] change name of view Quotation to Preview Quotationand also chnage position

[IMP] change inherit button
[IMP] website_quote : remove press edit button on template
Cut long names
Merge pull request #1383 from odoo-dev/master-quote-remove-editbutton-jas

[IMP] website_quote : remove "press edit button" on template
Merge pull request #1381 from odoo-dev/master-sale-quotation-button-rename-avo

[IMP] website_quote: rename and move 'view quotation' button
[IMP] res_partner: form view cleaning + new function field website_private, inverse of website_published, more user-friendly to use on partner form view
[IMP] website_quote : add action to update quotation button
[FIX] website_forum: Preventing user from posting answers on [Close] and [Deleted] questions. Solving issue of Red background when question is deleted
[ADD]just add module
[IMP]views and menus
[IMP]minor improvments.
[IMP]Some refactoring in code.