Bringinh all the pieces together. #2 #7

RaspberryPi/configreader.h

@@ -3,3 +3,8 @@ void cfgdestroy(void);
 void cfgreinit(void);
 int cfgreadpinnumber(int element);
 int cfgreadpinamount(void);
+
+typedef struct sensornode {
+    char *ip;
+    struct sensornode *next;
+}