Update cookbooks and add wordpress cookbook

cookbooks/omnibus_updater/README.md

@@ -6,6 +6,19 @@ Chef package into your system if you are currently running
 via gem install, and it can keep your omnibus install up
 to date.
 
+Supports
+========
+
+- redhat
+- centos
+- amazon
+- scientific
+- oracle
+- debian
+- ubuntu
+- mac_os_x
+- solaris
+
 Usage
 =====