[ADD] tools.images: added function to resize images.
[ADD] tools.images: added function to resize images.
MarkusTeufelberger/openobject-server,gisce/openobject-server,ovnicraft/openerp-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server,splbio/openobject-server,gisce/openobject-server,ovnicraft/openerp-server,gisce/openobject-server,splbio/openobject-server