Detect FreeBSD for beginning to suppert it.
Fixed
Remove an extra space
Remove an unnecessary line because already defined in Base class.
Add parentheses according to Ruby Styleguide.
Aix support added
Aix support added
Update user commands for aix
aix tweak
Aix tweaks
aix support for package versions
fix aix file mode checks
aix tweaks
Add mail alias resource type
Add specs for mail alias type
Merge pull request #241 from serverspec/add-mail_alias-resouce-type

Add mail alias resouce type
Bump up version
Fix a bug of check_mail_alias()
Bump up version
added cmd backend