Convert cursors and icon to PNG

No point using BMP, since they're way bigger, and they're not
required for authenticity, since the original files were .cur and
.ico files. At some point, I'd like to support those formats, so this
branch can use the original files.

CMakeLists.txt

@@ -199,8 +199,8 @@ set(RESOURCES
 	"BITMAP/Credit16.bmp"
 	"BITMAP/Credit17.bmp"
 	"BITMAP/Credit18.bmp"
-	"CURSOR/CURSOR_IKA.bmp"
+	"CURSOR/CURSOR_IKA.png"
-	"CURSOR/CURSOR_NORMAL.bmp"
+	"CURSOR/CURSOR_NORMAL.png"
 	"ORG/Access.org"
 	"ORG/Anzen.org"
 	"ORG/Balcony.org"
@@ -442,7 +442,7 @@ endif()
 
 # On Windows, we use native icons instead
 if(NOT WIN32)
-	list(APPEND RESOURCES "ICON/ICON_MINI.bmp")
+	list(APPEND RESOURCES "ICON/ICON_MINI.png")
 endif()
 
 

src/Resource.cpp

@@ -80,16 +80,16 @@ static const unsigned char rpixel[] = {
 };
 
 static const unsigned char rCURSOR_IKA[] = {
-	#include "Resource/CURSOR/CURSOR_IKA.bmp.h"
+	#include "Resource/CURSOR/CURSOR_IKA.png.h"
 };
 
 static const unsigned char rCURSOR_NORMAL[] = {
-	#include "Resource/CURSOR/CURSOR_NORMAL.bmp.h"
+	#include "Resource/CURSOR/CURSOR_NORMAL.png.h"
 };
 
 #ifndef _WIN32
 static const unsigned char rICON_MINI[] = {
-	#include "Resource/ICON/ICON_MINI.bmp.h"
+	#include "Resource/ICON/ICON_MINI.png.h"
 };
 #endif