Onelogin-aws-assume-role

* Pin onelogin-python-sdk dependency because version 3.0 has breaking changes.

- Update to latest OneLogin Python SDK and pin it to version 2
- Allow using the OneLogin SAML2 APIs so that IP white listing can take effect (--saml-api-version to set between version 1 and 2)
- Allow setting the IP address used for the SAML assertion via argument (--ip to set the value)

- [56](https://github.com/onelogin/onelogin-python-aws-assume-role/pull/56) Default onelogin config directory to ~/.onelogin
- [54](https://github.com/onelogin/onelogin-python-aws-assume-role/pull/54) Support specifying path to config
- Be able to read accounts.yaml from .onelogin or by providing the config path with the -c option
- Prevent None value on saml_response at get_attributes method
- [65](https://github.com/onelogin/onelogin-python-aws-assume-role/pull/65) Allow app_id to be set per profile
- Allow otp to be provided by command line with --otp and it will be used on first interaction only

- Add support for order by Role.
- Fix order by account_id.
- Mark pre-selected aws-account-id or aws-role

- Sort Account/Role Names on its selection
- Add support for AWS_Role on credentials file
- Refactor account_aliases code to only read the aliases file one time

- Support cached SAMLResponse.
- Add profiles element in onelogin.aws.json. Allows user to define a set of profiles linked to an account id and role so that they don't need to specify this every time the app is run; it is sufficient to just supply the desired profile.
- Set 'default' as the default profile name
- Make `--aws-role-name` optional if `--aws-account-id` is specified Allow only account id to be specified and automatically select role if only 1 role is available in the given account

- Fix use of options.profile when the cli handler is using option.profile_name
- Update OneLogin SDK version
- Relax dependencies