renamed cart occurrences to carts

Author: nustiueudinastea

test/api/endpoints_test.js

@@ -19,7 +19,7 @@
 
     describe("cartsUrl", function() {
       it("points to the proper endpoint", function() {
-        expect(endpoints.cartsUrl).to.equal("http://cart/carts");
+        expect(endpoints.cartsUrl).to.equal("http://carts/carts");
       });
     });
 

test/docker-compose.yml

@@ -15,9 +15,9 @@ services:
     restart: always
     environment:
       - reschedule:on-node-failure
-  cart:
-    image: weaveworksdemos/cart
-    hostname: cart
+  carts:
+    image: weaveworksdemos/carts
+    hostname: carts
     restart: always
     environment:
       - reschedule:on-node-failure