feat: include current timestamp in exit DB

templates/test_exit_strategy.sh.j2

@@ -17,7 +17,7 @@ DATE="$(date +%Y-%m-%d_%H-%M-%S)"
 LOGFILE="/tmp/exit_log_${DATE}.log"
 
 EXIT_PERL="/usr/local/bin/rosettaExitStrategy/perl/exit_strategy.pl"
-EXIT_DB="/tmp/exit.db"
+EXIT_DB="/tmp/exit_${DATE}.db"
 EXIT_RECOVERY="--recovery"	# set to empty string to disable recovery mode or to "--recovery" to enable it
 
 # check user privileges