Minor improvemens and update to Spring Boot 2.3.3.RELEASE

Changed session cache size to 5 for SFTP and upgrade Spring Boot to 2…

….3.3.RELEASE

Add integration with AWS Parameter Store

Option to get connections details via AWS Parameter Store

1.4.0

Improved pushing to S3, added possibility to configure sftp/ftp servers via Consul (centralized config management)

1.3.0

Added monitoring endpoints for pollers and possibility to evaluate ex…

…pressions for health checks, added prefix temp file naming for upload, fix error logging, fix s3 integration and upgrade to Spring Boot 2.1.4.RELEASE

1.2.1

Log throughput of file upload and download on elasticsearch

1.1.0

Implemented extra logging info about each connection and file