New cmdline options to control debug and progress/status

Modeled after systemd.show_status, currently without the 'auto' setting.

- finit.debug[=bool]
- finit.show_status[=bool]
- finit.status_style[=old,classic,new,modern]

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/log.c

@@ -55,7 +55,7 @@ void log_exit(void)
 	else
 		screen_init();
 
-	show_progress(1);
+	enable_progress(1);
 }
 
 void log_open(void)
@@ -85,6 +85,7 @@ void log_debug(void)
 		screen_init();
 	}
 	log_open();
+	enable_progress(1);
 
 	logit(LOG_NOTICE, "Debug mode %s", debug ? "enabled" : "disabled");
 }