Merge pull request #338 from mvrozanti/master

allow for message_delay_time = "0"

src/statusbar.cpp

@@ -172,14 +172,17 @@ void Statusbar::print(int delay, const std::string &message)
 {
 	if (statusbar_allow_unlock)
 	{
-		statusbar_lock_time = Global::Timer;
-		statusbar_lock_delay = boost::posix_time::seconds(delay);
-		if (Config.statusbar_visibility)
-			statusbar_block_update = true;
-		else
-			progressbar_block_update = true;
-		wFooter->goToXY(0, Config.statusbar_visibility);
-		*wFooter << message << NC::TermManip::ClearToEOL;
+        if(delay)
+        {
+            statusbar_lock_time = Global::Timer;
+            statusbar_lock_delay = boost::posix_time::seconds(delay);
+            if (Config.statusbar_visibility)
+                statusbar_block_update = true;
+            else
+                progressbar_block_update = true;
+            wFooter->goToXY(0, Config.statusbar_visibility);
+            *wFooter << message << NC::TermManip::ClearToEOL;
+        }
 		wFooter->refresh();
 	}
 }