cook-131, flesh out more cookbook metadata

metadata.rb

 maintainer        "Opscode, Inc."
 maintainer_email  "cookbooks@opscode.com"
 license           "Apache 2.0"
-description       "Configures rsyslog"
+description       "Installs and configures rsyslog"
 long_description  IO.read(File.join(File.dirname(__FILE__), 'README.rdoc'))
 version           "0.7"
-recipe            "rsyslog::client"
-recipe            "rsyslog::server"
-
-attribute         "rsyslog",
-  :display_name => "",
-  :description => "",
-  :recipes => [ "rsyslog" ],
-  :default => ""
+recipe            "rsyslog::client", "Sets up a client to log to a remote rsyslog server"
+recipe            "rsyslog::server", "Sets up an rsyslog server"
+
+attribute "rsyslog",
+  :display_name => "Rsyslog",
+  :description => "Hash of Rsyslog attributes",
+  :type => "hash"
+
+attribute "rsyslog/log_dir",
+  :display_name => "Rsyslog Log Directory",
+  :description => "Filesystem location of logs from clients",
+  :default => "/srv/rsyslog"
+
+attribute "rsyslog/server",
+  :display_name => "Rsyslog Server?",
+  :description => "Is this node an rsyslog server?",
+  :default => "false"
+
+attribute "rsyslog/protocol",
+  :display_name => "Rsyslog Protocol",
+  :description => "Set which network protocol to use for rsyslog",
+  :default => "tcp"
+