Change netdaemon to poll & work with libusefull_macros, add weatherdaemon

Daemons/netdaemon/Readme.md

@@ -1,9 +1,21 @@
 Network daemon snippet
 ==================
 
-This isn't an end-product, but just a template for different net-daemons.
-
 Open a socket at given port (default: 4444), works with http & direct requests.
 Can read and send commands over serial interface.
 
 Pieces with user code marked as 'INSERT CODE HERE'.
+
+
+Usage: netdaemon [args]
+
+        Where args are:
+
+  -b, --baudrate=arg   serial terminal baudrate (default: 115200)
+  -e, --echo           echo users commands back
+  -h, --help           show this help
+  -i, --device=arg     serial device name (default: none)
+  -l, --logfile=arg    save logs to file (default: none)
+  -p, --port=arg       network port to connect (default: 4444)
+  -t, --terminal       run as terminal
+  -v, --verb           logfile verbocity level (each -v increase it)