Features:

- initial support for multiples tracks simulation

Enhancements:
- code profiling and optimization
 - faster lookup table based ppm + IQ generation
 - faster CRC24 computations
 - frame encoding

Bug fixes:
- callsign encoding
- typos

examples/scenario2.json

@@ -0,0 +1,12 @@
+{
+    "plane1":
+    {
+        "filename":"./examples/MRYIA.json",
+        "trajectory_type":"circle"
+    },
+    "plane2":
+    {
+        "filename":"./examples/AN-IL78MP.json",
+        "trajectory_type":"circle"
+    }
+}