patch from Fridrich Strba for building on mingw and general cleanup of autoconf files add processing for pst files of type 0x0f start adding support for properly building and installing libpst.so and the header files required to use it. remove version.h since the version number is now in config.h more const correctness issues regarding getopt()

--- a/src/testdebug.c	Fri Jan 16 15:31:11 2009 -0800
+++ b/src/testdebug.c	Sat Jan 31 12:12:36 2009 -0800
@@ -4,7 +4,7 @@
 #include <string.h>
 
 #define BUF_SIZE 100000
-int main() {
+int main(int argc, const char** argv) {
   char *x = xmalloc(BUF_SIZE); // 10k
   memset(x, '.', BUF_SIZE-1);
   x[BUF_SIZE-2]='P';