[IMP] Improved kanban view styles
[IMP] Improved kanban view styles

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