Log the versions, min timestamp and max timestamp for the Scanner.
Log the versions, min timestamp and max timestamp for the Scanner.

Signed-off-by: Chris Larsen <83037b211e1d109d6858769a113e269c3139ffd3@yahoo-inc.com>

manolama/asynchbase,manolama/asynchbase,OpenTSDB/asynchbase,OpenTSDB/asynchbase