Move AppName to lib-utility...

... It makes more sense there, at an even lower level than lib-files.  Avoid
type wxString.

libraries/lib-utility/CMakeLists.txt

@@ -18,6 +18,7 @@ used utilities that don't correspond to things in the standard.
 set( SOURCES
    MemoryX.cpp
    MemoryX.h
+   ModuleConstants.cpp
    ModuleConstants.h
 )
 audacity_library( lib-utility "${SOURCES}" ""

libraries/lib-utility/ModuleConstants.cpp

@@ -0,0 +1,21 @@
+/**********************************************************************
+
+  Audacity: A Digital Audio Editor
+
+  ModuleConstants.cpp
+
+  Paul Licameli
+
+**********************************************************************/
+
+#include "ModuleConstants.h"
+
+// We want Audacity with a capital 'A'
+// DA: App name
+const std::wstring AppName =
+#ifndef EXPERIMENTAL_DA
+   L"Audacity"
+#else
+   L"DarkAudacity"
+#endif
+;

libraries/lib-utility/ModuleConstants.h

@@ -11,6 +11,8 @@
 #ifndef __AUDACITY_MODULE_CONSTANTS__
 #define __AUDACITY_MODULE_CONSTANTS__
 
+#include <string>
+
 #define ModuleDispatchName "ModuleDispatch"
 
 #ifdef _MSC_VER
@@ -53,4 +55,7 @@ extern "C" {                                                           \
 DEFINE_VERSION_CHECK                                                   \
 extern "C" DLL_API int ModuleDispatch(ModuleDispatchTypes type){ return 1; }
 
+//! This program's name
+UTILITY_API extern const std::wstring AppName;
+
 #endif