Sort .ALLSRC before concatenating files together.  This makes sure that the
file are always built the same.

(Note that Header and Localstuff must appear first and in that order, the
sorting does not affect as a coincident effect).

Submitted by:	sjg
MFC after:	3 days
Don't reply monlist request when it's not enabled.

No objection from:	roberto (but all bugs are mine)
MFC after:	2 weeks