Update to 1.2 release.

Changes since 1.1 release
=========================
Support for new platforms:
add "universal" (PPC and x86) configure option for MacOS X
report CPU model name on "MacIntel"
report "CPU CHIP TYPE" on HP-UX
detect Windows on Windows64
detect amd64 architecture on Windows
detect Windows Server 2008
Use $(MAKE) for all recursive make invocations
Add --force-sdbm configure option
Fix UTFLEN() to handle zero
fix timing script to deal with AFS

Approved by <obache>.

(asau)