(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/Network.cpp

@@ -39,6 +39,7 @@
 #include "Buffer.hpp"
 #include "EthernetTap.hpp"
 #include "EthernetTapFactory.hpp"
+#include "RoutingTable.hpp"
 
 #define ZT_NETWORK_CERT_WRITE_BUF_SIZE 131072