[AMBARI-23156] Remove Required Group Name and Expose Lifecycle to API

[ncole]

What changes were proposed in this pull request?

The upgrade group name is no longer required, and add lifecycle to the database + endpoint

How was this patch tested?

Unit tests, no more tests are broken then before this patch:

[ERROR] Tests run: 4959, Failures: 109, Errors: 128, Skipped: 43
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
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[INFO] Total time: 30:04 min
[INFO] Finished at: 2018-03-06T10:26:07-05:00
[INFO] Final Memory: 87M/1941M
[INFO] ------------------------------------------------------------------------

[asfgit]

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https://builds.apache.org/job/Ambari-Github-PullRequest-Builder/1002/
Test FAILed.
Test FAILured.