Merge pull request #34 from nuvo/33-backup-to-s3-corrupted-whih-large…

…r-sstables-files

upgrade skbn, allow for s3 upload configuration, verbose log flag

Add password authentication (#32)

* add options to command line

* minor fix

* add authentication option to cassandra

* remove cqlshrc file and use default credentials instead

* add readme and change naming

* aff indent

* remove mod files

---------

Co-authored-by: victorr <victor.romanov@nuvocares.com>
Co-authored-by: aharonh <aharon.haravon@gmail.com>

update skbn version, add compatability matrix

add environment variables to all command flags

[cain/restore] add user-group to specify files ownership

[cain/restore] add option to restore schema, fixes #4

update gopkg lock based on toml

update code to skbn 0.3.0

fix Dockerfile group name

update readme