Style and refactor components for expired funding

- modify Accordion component to be able to customize classes and tags
that it uses to build markup
- modify the shape of the object that the mock CSP returns for data that
builds this section.
 - Also ensures that the CLINs TOs and CLINS are sorted
- add appropriate css for styling

styles/sections/_reports.scss

@@ -87,4 +87,14 @@
       font-size: $lead-font-size;
     }
   }
+
+  .reporting-expended-funding {
+    &__header {
+      margin: 0;
+    }
+    &__content {
+      padding: 0;
+      border-top: 1px solid $color-gray-lighter;
+    }
+  }
 }