ImageViewer: De-pimpl two internal classes

Change-Id: I3302463157f757fbb5190f25052fad1506d10612
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/imageviewer/imagevieweractionhandler.cpp

@@ -32,16 +32,16 @@
 #include "imageviewer.h"
 #include "imageviewerconstants.h"
 
-#include <QList>
-#include <QSignalMapper>
-#include <QAction>
-
 #include <coreplugin/icore.h>
 #include <coreplugin/actionmanager/actionmanager.h>
 #include <coreplugin/actionmanager/command.h>
 #include <coreplugin/editormanager/editormanager.h>
 #include <coreplugin/id.h>
 
+#include <QAction>
+#include <QList>
+#include <QSignalMapper>
+
 namespace ImageViewer {
 namespace Internal {