Add R16B01 support:
 - change mochiweb version to 1.5.1p6
 - import 'new_hash' workaround inspired by riak,
   the wrapper function is at the end of basho_bench.erl
 - remove import of 'random' in uuid.erl
fix undef
Merge pull request #87 from basho/ku-r16b

basho bench broken on >= R16B