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.
-F option works fine with the pattern in #232
Use -F option with check_file_contain_within()
Use -F option with check_file_contain_within() of commands/solaris.rb
Fix specs
Merge pull request #233 from serverspec/fix-for-issue-232

[WIP]-F option works fine with the pattern in #232
Bump up version
add by("pip") to be_installed
Add alias method to display resource name simply
Merge pull request #237 from minimum2scp/support_package_by_pip

add pip to package provider
Bump up version
fix be_linked_to for Darwin
Merge pull request #240 from tatsuyafw/fix-be_linked_to-for-darwin

Fix be_linked_to for Darwin
Bump up version
Aix support added
Aix support added