Sync with official service.sh but also tidy (#8)

Signed-off-by: Dakkshesh <beakthoven@gmail.com>

module/service.sh

@@ -4,11 +4,8 @@ MODDIR=${0%/*}
 
 cd $MODDIR
 
-(
+while true; do
-while [ true ]; do
+  ./daemon "$MODDIR" || exit 1
-  $MODDIR/daemon "$MODDIR"
+  # ensure keystore initialized
-  if [ $? -ne 0 ]; then
+  sleep 2
-    exit 1
+done &
-  fi
-done
-) &