Add label to table checkboxes

- Span with class sr-only added to table checkboxes
- Verified passed DAP

Signed-off-by: Dixsie Wolmers <dixsie@ibm.com>
Change-Id: If6dff636762e6cc70c2f5b345827aa1385a31c97
diff --git a/src/locales/en-US.json b/src/locales/en-US.json
index 5c03e39..3e2a09c 100644
--- a/src/locales/en-US.json
+++ b/src/locales/en-US.json
@@ -68,6 +68,8 @@
       "fromDate": "From date",
       "items": "%{count} items",
       "itemsPerPage": "Items per page",
+      "selectAll": "Select all",
+      "selectItem": "Select item",
       "selectedItems":"%{filterCount} of %{count} items",
       "toDate": "To date",
       "viewAll": "View all"