[FIX] web: properly encode db and addons URL parameters
[FIX] web: properly encode db and addons URL parameters

Passing the values unescaped could be a source of errors
and a XSS vector.
gisce/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,splbio/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web