update rebar to 2.0.0
Merge pull request #8 from basho/dip_rebar2.0

update rebar to 2.0.0
remove luke usage

riak_pipe runs MapReduce queries now
Merge pull request #11 from branch 'bwf-no-luke'
Roll cluster_info version 1.2.3
Merge remote-tracking branch 'upstream/master'