Add have_ipv4_address matcher to interface type.
Use `ip addr show <interface>`.
Merge pull request #228 from ryotarai/add-ipaddress-matcher

Add have_ipv4_address matcher to interface type.
Merge remote-tracking branch 'pr/229/head'
Bump up version
Change rspec dependency
Add with_version to be_installed for debian.
Merge remote-tracking branch 'pr/230/head'
not version.nil? -> version
Bump up version
Add check_zfs to Linux commands
Merge pull request #231 from treydock/add_check_zfs_to_linux

Add check_zfs to Linux commands
Bump up version
-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