ricolin bb9d34c33f use stderr for error echo message ... Some echo message contain error or warning message which better be contain in stderr. And futher more some error message already contain in stderr, but for error message reader, the following information for that echo should be contained as well. Change-Id: I2aac631df19829218d446150c91cf6d50aa5e7e7		2016-01-17 05:20:40 +00:00
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upgrade	use stderr for error echo message	2016-01-17 05:20:40 +00:00