Add back the ability to retrieve information for an org member directly

Fixes #427

test/test_api_usage.py

@@ -878,6 +878,13 @@ class TestGetOrganizationMembers(ApiTestCase):
     assert READ_ACCESS_USER in membernames
     assert not NO_ACCESS_USER in membernames
 
+    for member in json['members']:
+      membername = member['name']
+      response = self.getJsonResponse(OrganizationMember,
+                                      params=dict(orgname=ORGANIZATION, membername=membername))
+
+      self.assertEquals(member, response)
+
 
 class TestRemoveOrganizationMember(ApiTestCase):
   def test_try_remove_only_admin(self):