Revert "Fixed #1201 - all external node attributes are converted to strings."

This reverts commit ac7f59618a.

The reason for this revert is that the problem never really existed;
Ruby's true and false are always used unless you quote them.

CHANGELOG

@@ -77,8 +77,6 @@
     but external nodes just use the certificate name and any custom terminus
     types will use just the certificate name.
     
-    Fixed #1201 - all external node attributes are converted to strings.
-
     Fixing #1168 (for 0.24.x) -- automatically downcasing the fqdn.
     Also requiring that passed in certnames be downcased; the setting
     system isn't currently flexible enough to automatically downcase

lib/puppet/indirector/node/exec.rb

@@ -30,13 +30,6 @@ class Puppet::Node::Exec < Puppet::Indirector::Exec
     def create_node(name, result)
         node = Puppet::Node.new(name)
         set = false
-        if current = result[:parameters]
-            result[:parameters] = current.inject({}) do |strings, ary|
-                param, value = ary
-                strings[param] = value.to_s
-                strings
-            end
-        end
         [:parameters, :classes, :environment].each do |param|
             if value = result[param]
                 node.send(param.to_s + "=", value)

spec/unit/indirector/node/exec.rb

@@ -49,12 +49,6 @@ describe Puppet::Node::Exec do
             @searcher.find(@request)
         end
 
-        it "should convert all parameters into strings" do
-            @result[:parameters] = {"a" => true, "c" => 100}
-            @node.expects(:parameters=).with "a" => "true", "c" => "100"
-            @searcher.find(@request)
-        end
-
         it "should set the resulting classes as the node classes" do
             @result[:classes] = %w{one two}
             @node.expects(:classes=).with %w{one two}