Update the Microsoft Visual Studio build to match the MinGW32 build.

Fix precedence problem in an ASSERT.

Put DLL_IMP_EXP macros in the right place so they work with both gcc and msvc.

Change make_session_key on WIN32 to use WIN32 APIs to produce a better seed.

Add sed to external dependencies, it is used only during installation.

Remove unused code from winmain.cpp and winservice.cpp for the three daemons.

Fix /kill for file and storage daemons.

Add bfree to the exports for bacula.dll.

Add new tool scsilist.exe which displays the changer, tape and CD/DVD (1394, SCSI, SATA, ATAPI) devices and the information required to add them to bacula-sd.conf.

Added full configuration generation to the installer.