[backend/gdocs][s]: minor improvement to support handling spreadsheet urls where #gid=xxx is missing.

test/backend.gdocs.test.js

@@ -310,6 +310,10 @@ test("GDocs Backend.getUrl", function() {
   var exp2 = 'https://spreadsheets.google.com/feeds/worksheets/' + key + '/public/basic?alt=json'
   equal(exp1, out.worksheet);
   equal(exp2, out.spreadsheet);
+
+  var url  = 'https://docs.google.com/spreadsheet/ccc?key=' + key;
+  var out  = recline.Backend.GDocs.getGDocsAPIUrls(url);
+  equal(out.worksheet, exp1);
 });
 
 })(this.jQuery);