localstorage storage response hash renamed to digest

src/jio.storage/localstorage.js

@@ -243,7 +243,7 @@
                             param._attachment, e.target.result);
       that._storage.setItem(that._localpath + "/" + param._id, doc);
       command.success(status,
-                      {"hash": doc._attachments[param._attachment].digest});
+                      {"digest": doc._attachments[param._attachment].digest});
     }, function (e) {
       command.error(
         "request_timeout",

test/jio.storage/localstorage.tests.js

@@ -315,7 +315,7 @@
 
         deepEqual(answer, {
           "attachment": "putattmt2",
-          "hash": "sha256-e3b0c44298fc1c149afbf4c8996fb9242" +
+          "digest": "sha256-e3b0c44298fc1c149afbf4c8996fb9242" +
             "7ae41e4649b934ca495991b7852b855", // hex_sha256("")
           "id": "putattmt1",
           "method": "putAttachment",