Merge pull request #56 from kimyen/develop

Develop
Refresh package versions.
Add publishing to Artifactory.
Add publishing to Artifactory.
Hook up Travis CI to deploy to Artifactory.
Merge pull request #57 from eric-wu/master

Publish to Artifactory after successful build
Fix arti user and password.
Fix arti user and password.
Merge pull request #58 from eric-wu/master

Fix arti user and password.
add util class and test to merge TimeDataPoint lists