[MERGE] view editor :- add functionality of up and down tag.
[MERGE] view editor :- add functionality of up and down tag.

havt/openerp-web,havt/openerp-web,akretion/openerp-web,akretion/openerp-web,havt/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web