Refactor to use user auth creds to lookup names

[briehl]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 189

• 83 of 87 (95.4%) changed or added relevant lines in 15 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.007%) to 91.093%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
feeds/entity/types/group.py	4	5	80.0%
feeds/entity/types/narrative.py	5	6	83.33%
feeds/external_api/groups.py	9	10	90.0%
feeds/external_api/workspace.py	17	18	94.44%

Totals
Change from base Build 188:	-0.007%
Covered Lines:	1483
Relevant Lines:	1628

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 190

• 84 of 88 (95.45%) changed or added relevant lines in 16 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.007%) to 91.093%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
feeds/entity/types/group.py	4	5	80.0%
feeds/entity/types/narrative.py	5	6	83.33%
feeds/external_api/groups.py	9	10	90.0%
feeds/external_api/workspace.py	17	18	94.44%

Totals
Change from base Build 188:	-0.007%
Covered Lines:	1483
Relevant Lines:	1628

---

💛 - Coveralls