Creating private branch of sml/branches/primop-branch-3 for experimental Translate rewrite

create primop branch 3 as future target to merge changes from primop branch 2

eliminated src dir

srcname routed to mlriscgen;
more fiddling with pgraph (portable library graph) code

updates to CKIT, CM, NLFFI, and scripts (see HISTORY)

raw memory access primitives fully implemented;
some CM tweaks

dir tool added

more CM tool tweaks; no HISTORY entry for this one

merging recent changes related to autoloading and tool plugins

merging back my devel changes (anchor environments)

bring revisions from the vendor branch to the trunk

CM.sources implemented; CM.makedepend dropped

merged pending changes into main trunk; see HISTORY; new binfiles!!

changes to modmap generator and CM tool parameter mechanism (see HISTORY)

merging back development branch blume_devel_v110p26p1_3...
This involves changes to CM and the removal of CMStaticEnv from
the compiler.  See the HISTORY file for more information.

merging back blume_devel_v110p26p1_1

added cleanGroup after reading stable library

smlinfo registry handled better; dia test; manual updates

filtering and rehashing fixed; Servers.reset added where necessary

getting ready for parallel...

CMB.symval added; manual update

cm-tools.cm added

some small bugs squashed

slight changes in pickle interface

various changes in pathname handling etc.

installation instructions; keep_going off by default

groups not stabilizable by themselves (sucked into surrounding stable library)

stablefile format enhanced; bootstrap compiler shows signs of life

value cache implemented correctly

some cleanup; pathconfig modes added; grammar modified (privileges)

Test tree added to repository