VC++Files/mysql.sln:
  Added instance manager project
VC++Files/mysys/mysys.vcproj:
  Added mf_unixpath.c
scripts/make_win_src_distribution.sh:
  Updated to include server-tools folder (which includes IM)
server-tools/instance-manager/instance.cc:
  fixed typo
server-tools/instance-manager/mysqlmanager.vcproj:
  fixed up all the filenames in the IM project