Revert to previous dialog_layer_setup_base, and added (conditional compilation) option to hide/show no used inner copper layers and define inner layers order (see changelog) in dialog layer setup.

Fixed bugs 2965646 (Canceling text operation hides text) and 2959930 (Pcbnew inconsistent Layer names sequence)

Updated denis dupeyron email address

    Renamed dialog_layers_setup* files.
    Got rid of the header file since there was only one file including it.

    Finished the Layer Setup Dialog.  I assumed that the new layer order will
    be in place soon.  It works fine now, but the layer order is probably
    misleading, since it does not reflect the current stackup but rather the
    future stackup.  I dropped support for a single layer board. The minimum
    is two copper layers.  Avoid the side you don't want anything on.

    Within a month I should have the layer visibility and selection widget
    in place.

  * Moved ReturnLayerName() to static BOARD::GetDefaultLayerName() and migrated
    to a Specctra DSN compatible default layer naming scheme:
        Component becomes Front, Copper becomes Back.
  * set_color.h: Cmp becomes Front, Cu becomes Back.
  * D_PAD::DisplayInfo() changed to use actual copper layer names.
  * more layer setup dialog work, moved all programmatic wxControl instantiation
    into the wxFormbuilder environment, but this is fraught with danger:
    wxFlexGridSizer used the tallest control to establish the row heights, so
    be careful about changing control borders in the scroll panel. The vertical
    size can explode since just a couple of pixels times the number of rows
    is substantial.  Currently I am setting a 5 pixel border only left, top, and right
    but not bottom.
  * Set copper layer count is back in place as a hack until I can get the enabled
    layer bit map fully operational.

* ALL: More changes for wxDC based zooming.
* 3D_VIEWER: Wrap 3d_viewer.h to prevent redefinitions.
* CVPcb: Replace wxList with boost::ptr_vector and take advantage of boost::foreach.
* CVPcb: Fix automatic association bug.
* CVPcb: Rename some variables for clarity and some minor code clean ups.
* CVPcb: Fix GTK sizing issue in library and path dialog.
* EESchema: Remove left over sizer from last commit from library and path dialog.

* All: remove all remaining occurrences of g_DialogFont and dialog font menu handers.
* All: remove all remaining non-standard fonts and button text colors from common dialogs.
* PCBNew: remove all non-standard fonts and button text colors from dialogs.
* PCBNew: update project library and path dialog to match changes to CVPCB version.
* EESchema: update project library and path dialog to match changes to CVPCB version.
* EESchema: save vertical/horizontal line direction setting between sessions.

Small change in doc files: footprint_doc moved from help to share/modules
TODO: change dialog_cvpcb_config and copy code (from pcbnew) for multiple user paths in library path list in cvpcb.

better handling of libraries paths (removed g_RealLibraryBuffer that had no sense with the new code), mainly in Eeschema
TODO: better handling of user lib paths (more than one path)

pcbnew: added 5 metric grids and fixed a very minor bug when creating drill map.