redis db relayout.

  Redis DB layout for fund data is defined as follows:

  key => "next.mf.id"
  val => a counter for mutual funds.

  key => "mf:#{id}:ticker"
  val => mutual fund ticker symbol for the given fund id.

  key => "mf:#{ticker}:id"
  val => mutual fund id for the given ticker symbol.

  key => "mf:#{id}:basics"
  val => hashtable of basic fund data elements.