Added cross platform tests for Groovy.
Added support for absolute paths.
Cross platform tests can now be set to pending.
[OHAI-503] Fix typo in ip_scopes plugin
wip
Fix 1.8.7 issues.
[OHAI-499] add specs for attributes effected by rackspace[:public_ip]
[OHAI-499] If the public IP is nil, don't attempt to set a cloud-ips.com-based hostname.
simplify check for rackspace[:public_ip]
[OHAI-492] - IP address detection fails if there is an interface with no
addresses

* skip interfaces that have no addresses when sorting IP addresses
[OHAI-492] - IP address detection fails if there is an interface with no addresses

* add FreeBSD tests to network plugin spec
[OHAI-492] - IP address detection fails if there is an interface with no addresses

* Add comment to spec about the ticket
Bump mixlib-config dependency to 2.0
Merge pull request #203 from opscode/tn/languages

Added cross-platform tests for the rest of the language plugins