[serverctl] complete the schema-diff command with options that will fix & enhance it. Notably: - filter out eids (doesn't make sense for the filesystem schema) - handle permissions, trying to detect the default ones Needs yams #174042. Closes #2996547.

$(document).ready(function() {

  module("air");

  test("test 1", function() {
      equals(a, 4);
  });

});