Doc TODO list is done

All the documentation items for 7.0 are completed. All the new 7.0
features are properly documented. Thanks for everyone's help.

-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  pgman@candle.pha.pa.us               |  (610) 853-3000
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  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026