[JIRA] Fix for p2o enrich data fails when jira user is anonymous

[teragopher]

Fix for https://github.com/chaoss/grimoirelab-elk/issues/931

[coveralls]

Pull Request Test Coverage Report for Build 2387

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 17 unchanged lines in 1 file lost coverage.
• Overall coverage remained the same at 82.156%

---

Files with Coverage Reduction	New Missed Lines	%
/home/travis/build/chaoss/grimoirelab-elk/grimoire_elk/enriched/jira.py	17	91.01%
<!--	Total:	17		-->

Totals
Change from base Build 2384:	0.0%
Covered Lines:	8347
Relevant Lines:	10160

---

💛 - Coveralls

[teragopher]

Hi @vchrombie , just checking if there is any other thing to do. If not we can go ahead and merge, yes? :)

[vchrombie]

Hi @vchrombie , just checking if there is any other thing to do. If not we can go ahead and merge, yes? :)

Hi @teragopher, thanks for your contribution. The changes look good to me.

I would leave the PR to @sduenas or @zhquan for their review. They will surely get back to you.

[teragopher]

Hi @sduenas @zhquan , Can you please take a look at this and review? :)

[sduenas]

Merged. Thanks for the contribution.