[lworld] RFR: Added IdentityObject.newIdentity()

[Roger Riggs]

Switching to the Skara infra for the GitHub based Valhalla lworld branch...

Following the discussion on valhalla-dev
    https://mail.openjdk.java.net/pipermail/valhalla-dev/2020-March/006867.html

Please review and comment.

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Commit messages:
 - Added IdentityObject.newIdentity()

Changes: https://git.openjdk.java.net/valhalla/pull/2/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/2/webrev.00
  Stats: 20 lines in 2 files changed: 19 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/2.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/2/head:pull/2

PR: https://git.openjdk.java.net/valhalla/pull/2