[blacksmith] Bump version to 0.7.0

Minor bugfixes for facter

Added tests for API class

Update for Puppet 4

* Use puppet/archive instead of custom fork from gini/archive
* Dropping support for Ruby <= 2.1.x and Puppet < 4.0.0

Minor fixes. Ready for deployment now.

Extra validation (Null-pointers etc.)

Changelog update

[blacksmith] Bump version to 0.1.1

Metadata changed to Lavaburn (case sensitive)