Filter work, adding toString() and main evaluation function.

node/Defaults.hpp

@@ -34,6 +34,7 @@
 #include <map>
 #include "Identity.hpp"
 #include "InetAddress.hpp"
+#include "Filter.hpp"
 
 namespace ZeroTier {
 
@@ -65,6 +66,11 @@ public:
 	 * Identity used to encrypt and authenticate configuration from URL
 	 */
 	const std::string configAuthority;
+
+	/**
+	 * Default node filter for this platform
+	 */
+	const Filter defaultNodeFilter;
 };
 
 extern const Defaults ZT_DEFAULTS;