Added Visual Studio .Net targets and 'vcproj' files for "isam",
  "isamchk", "mysqlshutdown", "mysqlwatch" and "pack_isam"


VC++Files/mysql.sln:
  Added isam, isamchk, mysqlshutdown, mysqlwatch and pack_isam
VC++Files/isam/isam.vcproj:
  Added isam, isamchk, mysqlshutdown, mysqlwatch and pack_isam
VC++Files/isamchk/isamchk.vcproj:
  Added isam, isamchk, mysqlshutdown, mysqlwatch and pack_isam
VC++Files/mysqlshutdown/mysqlshutdown.vcproj:
  Added isam, isamchk, mysqlshutdown, mysqlwatch and pack_isam
VC++Files/mysqlwatch/mysqlwatch.vcproj:
  Added isam, isamchk, mysqlshutdown, mysqlwatch and pack_isam
VC++Files/pack_isam/pack_isam.vcproj:
  Added isam, isamchk, mysqlshutdown, mysqlwatch and pack_isam