AIX has no facter network support

These functions take advantage of IP fact information and AIX does not
appear to support dynamic interface detection in facter.
Merge pull request #296 from hunner/case_aix

AIX has no facter network support
Correct metadata.json to match checksum
Merge pull request #297 from hunner/fix_metadata

Correct metadata.json to match checksum
Release 4.3.1

Summary
This supported release updates the metadata.json to work around upgrade
behavior of the PMT.

Bugfixes
- Synchronize metadata.json with PMT-generated metadata to pass
  checksums
Merge pull request #298 from hunner/release_4.3.1

Release 4.3.1
Prepare a 4.3.2 release.
Merge pull request #299 from apenney/432-release

Prepare a 4.3.2 release.
Add Geppetto project file
Merge branch 'havana' of https://github.com/gwdg/puppetlabs-stdlib into havana