code: @Nonnull
    public static SimpleURL getURLWithContext (@Nonnull final IRequestWebScopeWithoutResponse aRequestScope,
                                               @Nonnull final String sHRef)
    {
      return new SimpleURL (getURIWithContext (aRequestScope, sHRef));
    }
docs: Prefix the passed href with the relative context path in case the passed
  href has no protocol yet.
  
  @param aRequestScope
  The request web scope to be used. Required for cookie-less handling.
  May not be <code>null</code>.
  @param sHRef
  The href to be extended. May not be <code>null</code>.
  @return Either the original href if already absolute or
  <code>/webapp-context/<i>href</i></code> otherwise. Never
  <code>null</code>.