Quote.random no longer assumes a quote exists in the database
Quote.random no longer assumes a quote exists in the database

* Quote.random previously would add a nil item to the returned
  quote list if a quote did not exist in the database.  Instead,
  it now simply skips adding the item to the quote list and resumes
  the quote loop [#2 state:resolved]

meoblast001/irsea,meoblast001/irsea