Fixed symbol file generation on Microsoft Visual Studio builds.

Change daemon /kill processing to pause .5 second between attempts to post WM_CLOSE message.

Installer changes:
  -  Add new Install Type page, used to select between Automatic and Custom installs.  Automatic installs only prompt for configuration items that can't be reasonably defaulted.
  -  Added Bacula logo to page headers.
  -  Added Upgrade support
       Configuration and component selection is migrated from pre-1.39 installs.
       Configuration of upgraded components is preserved and not prompted for
       Configuration of new components is handled according the Automatic / Custom selection.
       New components are shown in bold on Component page.
       Component selection is defaulted to previously selected components.
  -  Installation of Server components is disabled on Windows 95, 98 and ME.
  -  Changed installer to use previous executable to /kill and /remove services being upgraded.

Added URLs for support, info and upgrades to Bacula entry in Add/Remove Programs.

Added Version info to Bacula entry in Add/Remove Programs.