Good ol' Cray changed the way node/cpu allocation is handled in their latest release of ALPS, and so our allocator is broken. Adjust for the revised method, but preserve the older method for those Cray users who have not updated their system.

cmr:v1.7
Also send the titles/subtitles/etc. to config.log.  The line numbers
will be wrong (because it's called via a shell subroutine rather than
an m4 macro... doh!), but it's still helpful for searching around in
config.log.