Lib: added PEER_PEER type for uninitalized peers

- defined LAIKA_PING_INTERVAL for the ping task

lib/include/lpacket.h

@@ -16,6 +16,7 @@
 #define LAIKA_MAX_SHELLS            16
 
 #define LAIKA_HANDSHAKE_SALT_LEN    32
+#define LAIKA_PING_INTERVAL         5000
 
 /*
     first handshake between peer & cnc works as so:

lib/include/lpeer.h

@@ -9,9 +9,9 @@
 
 typedef enum
 {
-    PEER_UNKNWN,
+    PEER_PEER, /* unlogged-in peer */
     PEER_BOT,
-    PEER_CNC, /* cnc 2 cnc communication */
+    PEER_CNC, /* cnc 2 cnc communication (unused) */
     PEER_AUTH /* authorized peers can send commands to cnc */
 } PEERTYPE;