* sets DOS locale using the same algorithm as MS' diskcopy.dll
* uses CONFIG.SYS menu to allow US vs non US selection
* only applies to WinME/MS-DOS for now (no FreeDOS)
* also renamed msdos.c -> dos.c with minor improvements
* also added missing FreeDOS credits in about dialog
* closes#22 (missing CloseHandle for FreeDOS' AUTOEXEC.BAT)
* split rufus and rufus_fd solution files (VS2010)
* error messages small improvements
* since we're on Windows, use .txt extension for README and TODO
* create an empty AUTOEXEC.BAT file to avoid date/time prompt
* use a patched version of KERNEL.SYS from 2011.12.16 FreeDOS SVN to avoid CHS warnings
see freedos/readme.txt for details
* also removed read-only attribute on COMMAND.COM and KERNEL.SYS to allow SYS CONFIG
* also
* closes#19
* closes#20
* progress bar now reflects actual completion of process more closely
* dropped the use of UM_FORMAT_PROGRESS and introduced UpdateProgress() instead
* also reduced the number of rw test patterns from 4 to 2