removed references to .boolean, which broke the YUI Compressor

lib/handlebars/ast.js

@@ -90,7 +90,7 @@ var Handlebars = require("handlebars");
 
   Handlebars.AST.BooleanNode = function(bool) {
     this.type = "BOOLEAN";
-    this.boolean = bool;
+    this.bool = bool;
   };
 
   Handlebars.AST.CommentNode = function(comment) {

lib/handlebars/compiler.js

@@ -229,7 +229,7 @@ Handlebars.JavaScriptCompiler = function() {};
     },
 
     BOOLEAN: function(bool) {
-      this.opcode('push', bool.boolean);
+      this.opcode('push', bool.bool);
     },
 
     comment: function() {},

lib/handlebars/printer.js

@@ -114,7 +114,7 @@ Handlebars.PrintVisitor.prototype.INTEGER = function(integer) {
 };
 
 Handlebars.PrintVisitor.prototype.BOOLEAN = function(bool) {
-  return "BOOLEAN{" + bool.boolean + "}";
+  return "BOOLEAN{" + bool.bool + "}";
 };
 
 Handlebars.PrintVisitor.prototype.ID = function(id) {