project and build files for gnutls for msvc.  Still need to do the scripting for autobuild.  In the meantime, each w32.zip file should be extracted to a w32 dir in the appropriate lib, and built.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@183 d0543943-73ff-0310-b7d9-9358b9ac24b2