Changelog update

Merge pull request boltgolt#370 from boltgolt/dev

Version 2.6.0

Merge pull request boltgolt#178 from boltgolt/dev

Version 2.5.1

Merge pull request boltgolt#118 from boltgolt/dev

Version 2.5.0

Merge pull request boltgolt#94 from boltgolt/dev

Version 2.4.0

Added missing changelog entry

Merge pull request boltgolt#48 from boltgolt/dev

Version 2.3.0

Merge pull request boltgolt#37 from Boltgolt/dev

Version 2.2.2

Merge pull request boltgolt#34 from Boltgolt/dev

Version 2.2.1

New CLI and debian package structure