Ticket #706: Merged branch vs-reorg2 into trunk:
 - Currently supported platforms are: Win32, WM6 std & pro, WM5 SP & PPC, WM2003 SP & PPC.
 - Added libpjproject into solution, this is a single 'combo' library that bundles all PJSIP libraries.
 - Cleaned up most of compile warnings, note that warning level of libgsmcodec has been reduced from 4 to 3.




git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2660 74dad513-b988-da41-8d7b-12977e46ad98