tree cdadbf1a1f63f65a549c8f152167f5cbb8a820cc
parent ee3ebe1bb91a3ded70257351e7a52a8eb7cf99a6
author ctiller <ctiller@google.com> 1418664283 -0800
committer Michael Lumish <mlumish@google.com> 1418682734 -0800

Add a test for useful.h.

Additionally add rotl, rotr which will be needed to implement some hashing
functions shortly.
	Change on 2014/12/15 by ctiller <ctiller@google.com>
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=82149559