changing -s option for run date to -d

ews/coordinator/processor_base.py

@@ -99,7 +99,7 @@ class ProcessorBase:
         )
 
         my_parser.add_argument(
-                '-s', '--start-date', '-i', '--initial-date',
+                '-d', '--run-date',
                 metavar = 'YYYYMMDD',
                 action = 'store',
                 default = self.todayString,