Re-added new lines at eof

IPython/html/tests/notebook/arrow_keys.js

@@ -21,4 +21,4 b' casper.notebook_test(function () {'
                 pos4 == 2;
     });
     this.test.assertTrue(result, 'Up/down arrow okay in non-empty notebook.');
-});
  No newline at end of file
+});

IPython/html/tests/notebook/safe_append_output.js

@@ -29,4 +29,4 b' casper.notebook_test(function () {'
         this.test.assertEquals(output['image/png'], undefined, "Non-string png data was stripped");
         this.test.assertEquals(output['text/plain'], '5', "text data is fine");
     });
-});
  No newline at end of file
+});