Chore: Routine Bugfixes and enhancements (#979)

- Fix slack scopes
- Docs for authentication
Fixes: #704 , #973

.circleci/config.yml

@@ -98,7 +98,7 @@ jobs:
       - run:
           name: Run backend tests
           command: |
-            bundle exec rspec $(circleci tests glob "spec/**/*_spec.rb" | circleci tests split --split-by=timings)
+            bundle exec rspec $(circleci tests glob "spec/**/*_spec.rb" | circleci tests split --split-by=timings) --profile=10
             ~/tmp/cc-test-reporter format-coverage -t simplecov -o ~/tmp/codeclimate.backend.json coverage/backend/.resultset.json
       - persist_to_workspace:
           root: ~/tmp