Add the option to set a persistent storage for the browser provider

[gngj]

This enables using an IDP that has a browser session and providing credentials only once.

Can help #729

Example usage: saml2aws configure --url https://account.activedirectory.windowsazure.com/applications/signin/<app_id>?tenantId=<tenantId> --persistent-data-dir ~/.persistent_data_dir -a browser --idp-provider Browser --skip-prompt

[efernandes-dev-ops]

This would be a really useful feature to have

[santrada]

Would really be appreciated!

[eugenestarchenko]

Any updates/plans to support this?

[mapkon]

The branch is really out of date and need to be synced. If that is done, and relevant tests are added, then we can see how to prioritize it for merging.

@eugenestarchenko Would you take the lead on this?

[fernbach]

Is there anything new with this branch? any way to prioritize this for merge?

[tinaboyce]

@fernbach it cannot be merged because there is a branch conflict and missing test coverage. If both conditions are met, then we will be more than happy to merge it.