Fixed a few memory leaks and Valgrind warnings.

    m_highlightEnabled      = false;

    m_hiContrastEnabled     = false;

    m_hiContrastFactor      = 0.2;

    m_highlightNetcode      = -1;

    m_outlineWidth          = 1;

    m_worksheetLineWidth    = 100000;

    ///> Copy constructor

    CONTEXT_MENU( const CONTEXT_MENU& aMenu );

    virtual ~CONTEXT_MENU() {};

    /**

     * Function SetTitle()

     * Sets title for the context menu. The title is shown as a text label shown on the top of

    bool              m_useCmpFileForFpNames;   ///< is true, use the .cmp file from CvPcb, else use the netlist

                                                // to know the footprint name of components.

    // Functions that handle the Tool Framework (de)initalization

    // The Tool Framework initalization

    void setupTools();

    void destroyTools();

    // we'll use lower case function names for private member functions.

    void createPopUpMenuForZones( ZONE_CONTAINER* edge_zone, wxMenu* aPopMenu );

    tools/edit_tool.cpp

    tools/pcbnew_control.cpp

    tools/pcb_editor_control.cpp

    tools/pcb_tools.cpp

    tools/placement_tool.cpp

    tools/common_actions.cpp

    )

{

    delete m_Collector;

    delete m_toolManager;

    delete m_toolDispatcher;

    delete m_Pcb;

    delete GetGalCanvas();

}