Merge branch 'mrocklin-optimize' into mrocklin-optimize-bcolz
Deal with reductions on a symbol
First attempt at bcolz optimization, warning: super naïve
Empty check first
Separate nunique tests for easier debugging
Deal with things with no names but have active columns
compute_up and optimize on both carray and ctable
lean optimize on head
lean: fix head optimization
Add available_memory
Hard as bcolz dep for psutil
Merge remote-tracking branch 'upstream/master' into mrocklin-optimize-bcolz
Merge remote-tracking branch 'upstream/master' into mrocklin-optimize-bcolz
Merge branch 'mrocklin-optimize-bcolz' of github.com:cpcloud/blaze into mrocklin-optimize-bcolz
Merge branch 'master' into mrocklin-optimize-bcolz
Merge pull request #749 from mrocklin/mrocklin-optimize-bcolz

optimize bcolz with lean projections