Rename 'Standard Gaming Platform' to 'sgp' (#246)

* rename 'Standard Gaming Platform' to 'sgp'

* Adapt CMakeLists.txt files to renamed SGP directory

* Lowercase it

sgp/WinFont.h

@@ -0,0 +1,51 @@
+#ifndef __WINFONT_
+#define __WINFONT_
+#include <windows.h>
+
+void InitWinFonts( );
+void ShutdownWinFonts( );
+
+void InitTooltipFonts();
+void ShutdownTooltipFonts();
+
+INT32 CreateWinFont( LOGFONT &logfont );
+void	DeleteWinFont( INT32 iFont );
+
+void SetWinFontBackColor( INT32 iFont, COLORVAL *pColor );
+void SetWinFontForeColor( INT32 iFont, COLORVAL *pColor );
+
+void PrintWinFont( UINT32 uiDestBuf, INT32 iFont, INT32 x, INT32 y, STR16 pFontString, ...);
+
+INT16 WinFontStringPixLength( STR16	string, INT32 iFont );
+INT16 GetWinFontHeight( INT32 iFont );
+
+//if you cahnge this enum, you must change FontInfo struct in WinFont.cpp too.
+enum {
+WIN_LARGEFONT1 = 0, 
+WIN_SMALLFONT1,
+WIN_TINYFONT1, 
+WIN_12POINTFONT1, 
+WIN_COMPFONT,
+WIN_SMALLCOMPFONT,
+WIN_10POINTROMAN,
+WIN_12POINTROMAN,
+WIN_14POINTSANSSERIF,
+WIN_10POINTARIAL,
+WIN_14POINTARIAL,
+WIN_12POINTARIAL,
+WIN_BLOCKYFONT,
+WIN_BLOCKYFONT2,
+WIN_10POINTARIALBOLD,
+WIN_12POINTARIALFIXEDFONT,
+WIN_16POINTARIAL,
+WIN_BLOCKFONTNARROW,
+WIN_14POINTHUMANIST,
+WIN_HUGEFONT,
+WIN_LASTFONT
+};
+#define MAX_WINFONTMAP 25
+extern INT32 WinFontMap[MAX_WINFONTMAP];
+extern INT32 TOOLTIP_IFONT;
+extern INT32 TOOLTIP_IFONT_BOLD;
+
+#endif