Many bugfixes - fixed warnings and compile errors

RaspberryPi/calculate.c

@@ -47,8 +47,10 @@ static float dd(float relativeHumidity, float temperature) {
   return relativeHumidity / 100 * sdd(temperature);
 }
 
+/* CURRENTLY UNUSED
+
 static float r(float temperature, float dewTemperature) {
-  /* This is optional. Necessary with dew point measurements. */
+  // This is optional. Necessary with dew point measurements.
   return 100 * sdd(dewTemperature) / sdd(temperature);
 }
 
@@ -65,7 +67,7 @@ static float td(float relativeHumidity, float temperature) {
   }
   return b * v(relativeHumidity, temperature) / (a - v(relativeHumidity, temperature));
 }
-
+*/
 static float af(float relativeHumidity, float temperature) {
     float tk = temperature + 273.15;
     return pow(10, 5) * mw/R * dd(relativeHumidity, temperature) / tk;