(1) Tweak LAN locator beacon frequencies, (2) Windows virtual networks

now show up as *real* networks and prompt the user to set their
location and firewall status (public, private, home/work, etc.).

The hack used to achieve #2 should not be examined by children or those
suffering from epilepsy or heart conditions.

node/InetAddress.hpp

@@ -77,6 +77,16 @@ public:
 	 */
 	static const InetAddress LO6;
 
+	/**
+	 * 0.0.0.0/0
+	 */
+	static const InetAddress DEFAULT4;
+
+	/**
+	 * ::/0
+	 */
+	static const InetAddress DEFAULT6;
+
 	InetAddress() throw() { memset(&_sa,0,sizeof(_sa)); }
 	InetAddress(const InetAddress &a) throw() { memcpy(&_sa,&a._sa,sizeof(_sa)); }
 	InetAddress(const struct sockaddr *sa) throw() { this->set(sa); }
@@ -147,6 +157,12 @@ public:
 	bool isLinkLocal() const
 		throw();
 
+	/**
+	 * @return True if this ip/netmask would represent a default route (e.g. 0.0.0.0/0)
+	 */
+	bool isDefaultRoute() const
+		throw();
+
 	/**
 	 * @return True if this is a loopback address
 	 */