display reservable name in summary after payment

app/assets/javascripts/directives/cart.coffee.erb

@@ -22,6 +22,7 @@ Application.Directives.directive 'cart', [ '$rootScope', '$uibModal', 'dialogs',
       afterPayment: '='
       reservableId: '@'
       reservableType: '@'
+      reservableName: '@'
     templateUrl: '<%= asset_path "shared/_cart.html" %>'
     link: ($scope, element, attributes) ->
       ## will store the user's plan if he choosed to buy one

app/assets/templates/machines/reserve.html.erb

@@ -57,7 +57,8 @@
           on-slot-cancel-success="markSlotAsRemoved"
           after-payment="afterPayment"
           reservable-id="{{machine.id}}"
-          reservable-type="Machine"></cart>
+          reservable-type="Machine"
+          reservable-name="{{machine.name}}"></cart>
 
     <uib-alert type="warning m">
       <p class="text-sm">

app/assets/templates/shared/_cart.html.erb

@@ -63,7 +63,7 @@
   </div>
 
   <div class="widget-content no-bg auto wrapper" ng-show="events.paid && events.paid.length > 0">
-    {{ 'you_have_settled_the_following_machine_hours' | translate }} <strong>{{machine.name}}</strong>:
+    {{ 'you_have_settled_the_following_machine_hours' | translate }} <strong>{{reservableName}}</strong>:
 
     <div class="well well-warning m-t-sm" ng-repeat="paidSlot in events.paid">
       <i class="font-sbold text-u-c">{{ 'datetime_to_time' | translate:{START_DATETIME:(paidSlot.start | amDateFormat:'LLLL'), END_TIME:(paidSlot.end | amDateFormat:'LT') } }}</i>