Release v0.6.0

Production release of dsnap-sync

Function improvements (since v0.5.3)

• multi-config: handling of multiple configurations as a group
• btrfs-archive: full and incremental stream files
• tape: handling of LTFS tapes
• support for MediaPools (via mtx, jq)
• btrfs-clone: snapper aware d2d2d support
• ionice: optional use in target streams
• color output for verbosity messages

for a complete list, please hava a look into the git log output.