Automated g4 rollback of changelist 81931923.

*** Reason for rollback ***

_m convention is not generally accepted.

*** Original change description ***

Added _m suffix to all methods functions. On Windows, the shutdown method name collides with shutdown syscall.

***
	Change on 2014/12/12 by jtattermusch <jtattermusch@google.com>
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=81997449