Add a 'Stamp' widget.

Place one or multiple stamps on scanned pages in defined locations.

A stamp is understood here as
 - a transparent text in a transparent frame with no borders
 - an opaque text on an opaque background with no borders.

Stamp parameters:
 - text
 - font
 - foreground colour
 - background colour
 - angle of rotation
 - transparency.

Locations:
 - centre
 - cardinal directions
 - inter-cardinal directions.

Resources/InsaneWidget/UI/InsaneWidget.h

@@ -25,6 +25,7 @@
  */
 
 ////@begin forward declarations
+class wxBoxSizer;
 ////@end forward declarations
 
 /*!
@@ -39,7 +40,7 @@
 #define SYMBOL_INSANEWIDGET_STYLE wxTAB_TRAVERSAL
 #define SYMBOL_INSANEWIDGET_TITLE _("InsaneWidget")
 #define SYMBOL_INSANEWIDGET_IDNAME ID_INSANEWIDGET
-#define SYMBOL_INSANEWIDGET_SIZE wxSize(400, 300)
+#define SYMBOL_INSANEWIDGET_SIZE wxDefaultSize
 #define SYMBOL_INSANEWIDGET_POSITION wxDefaultPosition
 ////@end control identifiers
 
@@ -87,6 +88,7 @@ public:
     static bool ShowToolTips();
 
 ////@begin InsaneWidget member variables
+    wxBoxSizer* szInsaneWidgetMain;
     wxStaticText* lblNewDoc;
     wxTextCtrl* txtNewDoc;
     wxButton* btnScan;