Added a new LookAndFeel (V4) and re-skinned the JUCE Demo and examples. Improved the JUCE Demo on mobile devices.

examples/SimpleFFTExample/Source/Main.cpp

@@ -49,7 +49,8 @@ public:
     {
     public:
         MainWindow()  : DocumentWindow (ProjectInfo::projectName,
-                                        Colours::lightgrey,
+                                        LookAndFeel::getDefaultLookAndFeel()
+                                                     .findColour (ResizableWindow::backgroundColourId),
                                         DocumentWindow::allButtons)
         {
             setUsingNativeTitleBar (true);