add windows distribition scripts

svn path=/trunk/mono/; revision=17379

Author: Johannes Roith

Makefile.am

@@ -33,4 +33,7 @@ mcs-rest:
 	(cd ../mcs/class; make)
 
 remove-binaries:
-	rm ../mcs/class/lib/corlib.dll ../mcs/mcs/mcs.exe runtime/*dll runtime/*.exe >& /dev/null; echo
+	rm ../mcs/class/lib/corlib.dll ../mcs/mcs/mcs.exe runtime/*dll runtime/*.exe >& /dev/null; echo
+
+win32setup:
+	makensis /DMILESTONE=@VERSION@ /DSOURCE_INSTALL_DIR=`cygpath -a -w @prefix@`\\* monowiz.win32.nsi