[IMP] point of sale: added css to fix the image width/height.

bzr revid: tde@openerp.com-20120730103519-fn4rgqr6gcs7luwz

addons/point_of_sale/static/src/css/pos.css

@@ -462,6 +462,10 @@
     cursor: pointer;
 }
 
+.point-of-sale .category-button .category-img img {
+    height: 100px;
+}
+
 .point-of-sale .category-button .category-name {
     position: absolute;
     -webkit-box-sizing: border-box;
@@ -506,6 +510,10 @@
     text-align: center;
 }
 
+.point-of-sale .product .product-img img {
+    height: 100px;
+}
+
 .point-of-sale .product .price-tag {
     position: absolute;
     top: 2px;