Lots of bugfixes related to calling/modem and various script fixes

programs/sxmo_megiaudioroute.c

@@ -351,7 +351,7 @@ static struct audio_setup audio_setup = {
 
         .hp_vol = 15,
         .spk_vol = 15,
-        .ear_vol = 31,
+        .ear_vol = 15,
         .mic_gain = 1,
 };
 

programs/sxmo_vibratepine.c

@@ -68,7 +68,7 @@ int main(int argc, char* argv[])
 
   int durationMs, strength;
 
-  if (argc < 1) {
+  if (argc < 2) {
     usage();
     return 1;
   }