Refactor using Flask Blueprint model
Update requirements
Unit test authenticated index
Unit test add app
Add coverage
Add unit testing for mgserver.frontend.views
Use our own TOTP class
Fix incorrect decorator registration
Test /v1/seeds
Use built-in json response
Replace abort_json() with Flask exception handling
Test OAuth related APIs
Use PUT instead of POST for /v1/me
Test OAuth related APIs
Refactor db related helper functions