Merge pull request #5 from wcao101/master

pull request for finishing up node-datalanche example tests
bump version and have NPM ingore circle.yml
Rename method() to usingMethod() for createIndex().
bump version
Merge remote-tracking branch 'upstream/master'
Merge modified production node and the updated node
move Makefile from test dir to root, add dependency of each test target and modified the curl with variables