Revert "Workaround for stdlib 3.2 in PE3.x."

This reverts commit 7472dfe677b399e187896f9a99c0ba4f508b46ea.
Force us to use specinfra 0.7.0+ for the new sles helpers.
Add SLES box.
Merge branch '3.0.x'
Add conditionals for AIX package/service names
Merge pull request #131 from hunner/fix_aix

Add conditionals for AIX package/service names
Add unsupported framework.
Update all the nodesets.
Merge pull request #133 from apenney/add-unsupported-framework

Add unsupported framework.
Add unsupported framework.
Update all the nodesets.
Merge branch 'aix' into 3.0.x
Merge remote-tracking branch 'puppetlabs/master' into 3.0.x
Windows osfamily is lowercase

https://github.com/puppetlabs/facter/blob/master/lib/facter/kernel.rb#L17
Merge pull request #134 from hunner/fix_win_osfamily

Windows osfamily is lowercase