[IMP] Corrected small stuff in Dialog widget and added documentation.
[IMP] Corrected small stuff in Dialog widget and added documentation.

splbio/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,splbio/openerp-web,splbio/openerp-web,gisce/openerp-web