Corrected appending of .exe to Windows executables
  Don't alter read only @_ in foreach loop
mysql-test-run.pl:
  Improved cleanup of binlogs
  Use separate log file for second master
  Corrected Windows paths to executables


mysql-test/mysql-test-run.pl:
  Improved cleanup of binlogs
  Use separate log file for second master
  Corrected Windows paths to executables
mysql-test/lib/mtr_misc.pl:
  Corrected appending of .exe to Windows executables
  Don't alter read only @_ in foreach loop