SCB-193 Generated the Licenses,Notice and DISCLAIMER files

[WillemJiang]

Follow this checklist to help us incorporate your contribution quickly and easily:

• Make sure there is a JIRA issue filed for the change (usually before you start working on it). Trivial changes like typos do not require a JIRA issue. Your pull request should address just this issue, without pulling in other changes.
• Each commit in the pull request should have a meaningful subject line and body.
• Format the pull request title like [SCB-XXX] Fixes bug in ApproximateQuantiles, where you replace SCB-XXX with the appropriate JIRA issue.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Run mvn clean install to make sure basic checks pass. A more thorough check will be performed on your pull request automatically.
• If this contribution is large, please file an Apache Individual Contributor License Agreement.

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Generated the Licenses,Notice and DISCLAIMER files when building the artifacts.

[coveralls]

Coverage decreased (-0.02%) to 87.336% when pulling 8d695c8 on SCB-193 into ea71626 on master.