Revision 1431

This trunk now compiles and links under windows.
It passes the FunctionSpace.__str__() test 50000 times on windows.
It fails scons run_tests and scons_py_tests as it always did, but I have an idea why.

Please remember to add the appropriate dll linkage info to declarations that are to be visible outside a .so or .dll. Terry (BTW, PGH here) spent a lot of hacks clearing out blocktimer from the rest of the code when these 5 or 6 lines would have done the trick.