Add a configurable avatar system and add an internal avatar system for enterprise

endpoints/api/search.py

@@ -6,7 +6,7 @@ from auth.permissions import (OrganizationMemberPermission, ViewTeamPermission,
                               AdministerOrganizationPermission)
 from auth.auth_context import get_authenticated_user
 from auth import scopes
-from util.gravatar import compute_hash
+from app import avatar
 
 
 @resource('/v1/entities/<prefix>')
@@ -44,7 +44,7 @@ class EntitySearch(ApiResource):
             'name': namespace_name,
             'kind': 'org',
             'is_org_member': True,
-            'gravatar': compute_hash(organization.email),
+            'avatar': avatar.compute_hash(organization.email, name=organization.username),
           }]
 
     except model.InvalidOrganizationException: