[BB2-1241, BB2-1264] SBX automated email and dev local readme broken links (#1020)

* fix broken links across templates and readme.md

* fix integration tests to pass CI check, formal fix will be in another PR.

* also correct prod access guide link per BB2-1264.

* comment on integration test fix.

Author: James Fuqian

apps/integration_tests/integration_test_fhir_resources.py

@@ -309,9 +309,9 @@ def _call_fhir_meta_endpoint(self, v2=False):
         except KeyError:
             pass
         self.assertIsNotNone(fhir_ver)
+        # match any FHIR ver 4.0.*
         versionOK = fhir_ver and fhir_ver.startswith('4.0.' if v2 else '3.0.2')
         self.assertTrue(versionOK)
-        # dump_content(json.dumps(content), "fhir_meta_{}.json".format('v2' if v2 else 'v1'))
         self.assertEqual(validate_json_schema(FHIR_META_SCHEMA, content), True)
 
     @override_switch('require-scopes', active=True)