Adding two versions of HAKMEM.

Setting date for HAKMEM 141 to be 1972-03-15.  Setting date for HAKMEM 17 to be 1971-01-01,
although this date is probably not correct, but we have no info to base its date on other than
that it was "before" 1972.

Author: eswenson1

Makefile

@@ -63,7 +63,8 @@ DOC = info _info_ sysdoc sysnet syshst kshack _teco_ emacs emacs1 c kcc \
       aplogo _temp_ pdp11 chsncp cbf rug bawden llogo eak clib teach pcnet \
       combat pdl minits mits_s chaos hal -pics- imlac maint cent ksc klh \
       digest prs decus bsg madman hur lmdoc rrs danny netwrk klotz hello \
-      clu r mini nova sits jay rjl nlogo mprog2 mudbug cfs hudini shrdlu
+      clu r mini nova sits jay rjl nlogo mprog2 mudbug cfs hudini shrdlu \
+      mb
 BIN = sys sys1 sys2 emacs _teco_ lisp liblsp alan sail comlap \
       c decsys graphs draw datdrw fonts fonts1 fonts2 games macsym \
       maint _www_ gt40 llogo bawden sysbin -pics- lmman shrdlu imlac \

build/timestamps.txt

@@ -1795,6 +1795,8 @@ maxtul/strmrg.70 198107181941.49
 maxtul/timepn.1 198012121633.43
 maxtul/toolm.1 198107151807.50
 mb/titler.3 197109212338.08
+mb/hakmem.141 197203150000.00
+mb/hakmem.17 197101010000.00
 mbprog/assem.fbin 197902031659.44
 mbprog/assem.nbin 197607140800.08
 mbprog/bigpri.nbin 197906211101.06