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ARROW-1151: [C++] Add branch prediction to RETURN_NOT_OK

Also added some missing status checks to builder-benchmark

Author: Wes McKinney <wes.mckinney@twosigma.com>

Closes #782 from wesm/ARROW-1151 and squashes the following commits:

9b488a0e [Wes McKinney] Try to fix snappy warning
06276119 [Wes McKinney] Restore check macros used in libplasma
83b3f36d [Wes McKinney] Add branch prediction to RETURN_NOT_OK