code: public static <T extends Schema> T newInstance(Class<T> clz) {
      try { return clz.newInstance(); }
      catch (Exception e) { throw H2O.fail("Failed to instantiate schema of class: " + clz.getCanonicalName(),e); }
    }
docs: Returns a new Schema instance.  Does not throw, nor returns null.
  @return New instance of Schema Class 'clz'.