create_stations.py --delete_old not working

[Baertl]

create_stations.py --delete_old prints out the usage.

In this file at line 378

if param == '--force':
must be
elif param == '--force':

[Bob Rathbone]

Updated create_stations.py to correct --delete_old error. Patch 7.4.2 issued on Bob Rathbone website.
See (http://bobrathbone.com/raspberrypi/pi_internet_radio.html)