[IMP]website_quote: replace openerp by odoo in templates, improve quatation emptylist, improve mobile preview by css, add template empty list menutip.

[IMP]add quote_viewd field to check quote is viewed first time and change highlight button accordingly

[IMP]remove default quote_view value and changes in template id

[IMP]mobile preview

[IMP]improved menutip of quotation

[FIX]typo