Addition due to relative path

Since the relative path feature searches for the Calendar folder, after updating it will lead to errors (i.e. 2 folder named Calendar). To overcome this error, during updating, the old Calendar folder will be renamed to 'Calendar-old'

Installer-with-debug.sh

@@ -46,6 +46,8 @@ if [ "$option" = 1 ]; then
 	sleep 2
 	cp -r /home/pi/Inky-Calendar /home/pi/Inky-Calendar-old
 	sudo rm -r /home/pi/Inky-Calendar
+	mv /home/pi/Inky-Calendar-old/Calendar /home/pi/Inky-Calendar-old/Calendar-old #added due to relative path which searches for 
+	# the 'Calendar' folder
 	echo "Updating now..."
         cd
     else