Fix session name

Makefile.in

@@ -75,7 +75,7 @@ start:
 
 	@# ZT-Plots
 	@#
-	@tmux new-window -n trigger -t ${SESSION_NAME}
+	@tmux new-window -n ztplots -t ${SESSION_NAME}
 	@tmux split-window -v -t ${SESSION_NAME}:ztplots
 	@tmux send-keys -t ${SESSION_NAME}:ztplots.1  \
 	    "python scripts/ztplot.py -d ${DETECTOR_ID} -p ${MONITORING_LIGIER_PORT}" Enter