Add S3 file transfer support

[BorisYourich]

Is your feature request related to a problem? Please describe.
Currently the stage-in container uses only curl to download inputs and to post outputs. Therefore the jobs which use a different file transfer (ftp, s3) fail.

Describe the solution you'd like

• use a docker image for the stage-in and stage-out containers, which will be able to use s3, http(curl), and ftp file transfer in tesp_api/service/event_actions.py
• Implement a deciding logic that will use a correct method to download files based on the url prefix eg. http ftp s3. Make the changes both in tesp_api/utils/docker.py and in tesp_api/utils/singularity.py. Don't forget the stage-out methods for both modules as well.

Describe alternatives you've considered
NA

Additional context
Add any other context or screenshots about the feature request here.