screen now turns off when i3lock is called and the system is not suspended. also added background image restoring.

Not setting bg image setting, so that bg image can be different on different machines. Use feh to set background.

scripts/screen_off

@@ -0,0 +1,19 @@
+#! /bin/bash
+
+#warning! $locker MUST NOT FORK! It must wait to exit until after the screen has been unlocked. 
+
+#arguments
+
+locker=$@
+
+#make sure we set screen back to defaults if we force close the script
+cleanup() {
+	xset dpms 0 0 60 #&& echo "cleaned up!"
+	exit
+}
+
+trap "cleanup" EXIT
+
+#runs the locker, than makes the screen time out after 1 sec of inactivity
+xset dpms 0 0 1
+$locker