Bugfix, plot ack_rtt

plot_transmission_timeline.py

         j.start()
 
     print("Started all jobs.")
-    # Ensure all of the processes have finished
+    # Ensure all the processes have finished
     finished_job_counter = 0
     working = ["|", "/", "-", "\\", "|", "/", "-", "\\"]
     w = 0
 
     plt.subplots_adjust()
 
+    host.plot(transmission_df["goodput"], "-", color="blue", label="goodput")
+    host.set_xlabel("datetime")
+    host.set_ylabel("goodput [Mbps]")
+
     # additional y axes
     par11 = host.twinx()
     par12 = host.twinx()
     par12.axis["right"].toggle(all=True)
     # par13.axis["right"].toggle(all=True)
 
-    host.plot(transmission_df["goodput"], "-", color="blue", label="goodput")
-    host.set_xlabel("datetime")
-    host.set_ylabel("goodput [Mbps]")
-
     par11.plot(transmission_df["downlink_cqi"], "--", color="green", label="CQI")
     par11.set_ylabel("CQI")
     par11.set_ylim([0, 15])