Merge pull request #425 from OpenMW/master

Add OpenMW commits up to 13 May 2018

AUTHORS.md

@@ -44,6 +44,7 @@ Programmers
     crussell187
     DanielVukelich
     darkf
+    David Cernat (davidcernat)
     devnexen
     Dieho
     Dmitry Shkurskiy (endorph)

apps/openmw/mwgui/windowmanagerimp.cpp

@@ -956,6 +956,9 @@ namespace MWGui
 
         updateMap();
 
+        if (!mMap->isVisible())
+            mMap->onFrame(frameDuration);
+
         mHud->onFrame(frameDuration);
 
         mDebugWindow->onFrame(frameDuration);