DirManager.cpp doesn't depend on Clipboard...

... Locate other outstanding DirManagers by other means, a global tracking
array.

This does not yet break any dependency cycles.

src/DirManager.h

@@ -67,9 +67,15 @@ class PROFILE_DLL_API DirManager final : public XMLTagHandler {
    static void RecursivelyRemove(const FilePaths& filePathArray, int count, int bias,
                                  int flags, const wxChar* message = nullptr);
 
+ private:
    // MM: Construct DirManager
+   // Don't call this directly but use Create() instead
    DirManager();
 
+ public:
+
+   static std::shared_ptr< DirManager > Create();
+
    virtual ~DirManager();
 
    size_t NumBlockFiles() const { return mBlockFileHash.size(); }