Modified basic flask app to populate username and password, pass it to ood and...

Modified basic flask app to populate username and password, pass it to ood and redirect to home page on password authentication

- Pruning of unnecessary files, and alteration form
- Update Readme and minor html tweaks
- Added code to pass username and name variables to ood.
- Added redirect to origin page after success
- Populate user and catch None error if form is submitted blank
- Updated return_url with placeholder value for stability.
- Update __init__.py
- Updated return_url with proper redirect value