Clicking on background now exits fullscreen task view.

This is what a lot of users would expect by clicking outside of all
task widgets.

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>

src/komposefullscreenwidget.cpp

@@ -169,6 +169,8 @@ void KomposeFullscreenWidget::mousePressEvent ( TQMouseEvent * e )
   switch ( e->button() )
   {
   case LeftButton:
+    kdDebug() << "KomposeFullscreenWidget::mousePressEvent - Clicked outside of all tasks - Closing view" << endl;
+    KomposeViewManager::instance()->closeCurrentView();
     break;
   case MidButton:
     // fall through