title: SyncAdapter vs JobScheduler
body: <p>Excluding the fact that <code>JobScheduler</code> only supports API > 21 - are <code>JobSchedulers</code> designed to fully replace <code>SyncAdapters</code>? Or does <code>SyncAdapter</code> contain any functionality lacking by <code>JobScheduler</code>?</p>
  
  <p>My use case is syncing an RSS feed every couple of hours. This is doable with   a JobScheduler - right?</p>