Merge branch 'master' into dev-master
NPC-58 #comment Experimenting with different travis configs for running unit tests.
Merge branch 'dev-master' of github.com:numenta/nupic into dev-master
Merge branch 'dev-master' into travis-unit-tests
NPC-58 #comment Figured out that I needed global env vars in travis config.
NPC-58 #resolve #comment Removing the test branch from travis in preparation for PR into dev-master.
Merge pull request #54 from numenta/travis-unit-tests

Added unit tests into Travis-CI