Fix log statements that are vulnerable to parse errors since they shuttle arbitrary output into the message format. 	Change on 2015/10/12 by cgruber <cgruber@google.com> ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=105232714
Fix log statements that are vulnerable to parse errors since they shuttle arbitrary output into the message format.
	Change on 2015/10/12 by cgruber <cgruber@google.com>
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=105232714

cgruber/MOE,google/MOE,google/MOE,cgruber/MOE,cgruber/MOE,google/MOE