Froster

What's Changed
* Smaller Fixes by dirkpetersen in https://github.com/dirkpetersen/froster/pull/155
* updated dependencies by dirkpetersen in https://github.com/dirkpetersen/froster/pull/156


**Full Changelog**: https://github.com/dirkpetersen/froster/compare/v0.19.0...v0.20.1

Fixes:
* install.sh fixes / timing issues
* rearrange module import
* whitespace strip profile creation
* added GLACIER_IR to list
* catch no Expedited support for DEEP_ARCHIVE
* add transfers/checkers/streams to rclone
* fix bug in scheduled slurm glacier restore
* improve print_error

Features:
* add progressbar to md5sum generator (added tqdm package)
* default core/memory setting to SLURM env var if there

minor bugfixes / typos:

deterministic iconv path,
rclone install from tmpdir,
check if github.com and downloads.rclone.com are reachable
package dependencies
clarification: S3 profile instead profile