CNeutrinoApp: add signal OnAfterSetupFonts

This allows to implement methodes already inside classes without any
additional external var constructions.

src/neutrino.cpp

@@ -1742,6 +1742,7 @@ void CNeutrinoApp::SetupFonts(int fmode)
 	/* recalculate infobar position */
 	if (g_InfoViewer)
 		g_InfoViewer->start();
+	OnAfterSetupFonts();
 }
 
 /**************************************************************************************

src/neutrino.h

@@ -239,6 +239,7 @@ public:
 	void screensaver(bool);
 	//signal/event handler before restart of neutrino gui
 	sigc::signal<bool> OnBeforeRestart;
+	sigc::signal<void> OnAfterSetupFonts;
 	void channelRezap();
 };
 #endif