Fix fontfiles mess, FONTDATA file removed.

data/fontdate.json now is used as game default font data file.
User fontdata file renamed to fonts.json.
User fontdata file now stored and loaded from config dir.
If fontdata.json is missed in config new user fontdata.json file is created from default fontdata file and stored in config dir.
Old FONTDATA file removed and not used anymore.

141c663667c9982ce546c8903e11d6f5b8970640 - just fixes system file paths. Nothing more(Compiled, not working).
5a19241a6b28e970825b4ebfafe7ef09f8c542f9 - fix fonts in SDL version. Compiled. Tested. Worked.
5a19241a6b28e970825b4ebfafe7ef09f8c542f9 - fix fonts in WinCursed version. Not tested.
If someone can compile WinCurse version, please TEST this PR.