Build tar package such that archive extracts to nupic-linux64-{SHA}/ by default, excluding .pyc files
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master' into build_artifact_revisions
Merge pull request #239 from oxtopus/build_artifact_revisions

Minor fixes to the build artifact
Merge branch 'master' into encoders-unittests