Update subproject
Remove Serverspec::Helper::OS.It remained for the backward
compatibility.
Add mtime method to file type
Remove serverspec/helper/os
Return mtime as localtime
Add size method to file type
Add local address matching support to be_listening.
Bump up version
Update subproject
Merge pull request #436 from Aigeruth/feature/414-be_listening_local_address_support

Add local address matching support to be_listening.
Bump up version
Update subproject
Add be_immutable matcher on file type

Conflicts:
	spec/redhat/file_spec.rb
Change the method name to get command according to specinfra#149
Change the method name to call specinfra
No more need to include detect_os
Change OS family name to lower case
Change package_installed to package_is_installed
Set OS family by set method.

No more OS helper class now.
Fix file resource type to pass specs