Bump version to 0.6.0
Bump version to 0.6.0

Commits 388ce46e and cf93da98 are significant enough to warrant a large version
number change.

Signed-off-by: Samuli Seppänen <34cd69fd1edf1dbeb60d8f1ed9a92a19d78eb447@gmail.com>

Puppet-Finland/trac,Puppet-Finland/trac,Puppet-Finland/trac,Puppet-Finland/trac