Remove unneeded defines.

Mostly Q_DISABLE_COPY that were covered by the un-copy-ability of the
respective base classes. Includes a few "stylistic" whitespace changes.

Change-Id: I31ca0e7bada5ed0f34776976efe22ddc444a5bf2
Reviewed-on: http://codereview.qt.nokia.com/1609
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/qt4projectmanager/qt4project.cpp

@@ -122,8 +122,8 @@ QDebug operator<<(QDebug d, const  Qt4ProjectFiles &f)
 // A visitor to collect all files of a project in a Qt4ProjectFiles struct
 class ProjectFilesVisitor : public ProjectExplorer::NodesVisitor
 {
-    Q_DISABLE_COPY(ProjectFilesVisitor)
     ProjectFilesVisitor(Qt4ProjectFiles *files);
+
 public:
 
     static void findProjectFiles(Qt4ProFileNode *rootNode, Qt4ProjectFiles *files);