Merge pull request #57 from ares/master

Release process and version bump
Automatic commit of package [rubygem-kafo] minor release [0.3.7-1].
Fix issue when manifests can't be parsed

Add missing exceptions required. Since we don't use KafoConfigure for export
script we also have to set custom logger and define exit method on our
fake openstruct.
Merge pull request #59 from ares/fix/export_params_error_handling

Fix issue when manifests can't be parsed