fulldisjunction - fd: More consolidation work, a lot of cleanups.

Log Message:
-----------
More consolidation work, a lot of cleanups. Also, complete queue now only holds rowids array (comes at a little extra cost but for long queries it should be worth it).

Modified Files:
--------------
fd:
algstructs.c (r1.10 -> r1.11)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/algstructs.c.diff?r1=1.10&r2=1.11)
algstructs.h (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/algstructs.h.diff?r1=1.8&r2=1.9)
algutils.c (r1.11 -> r1.12)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/algutils.c.diff?r1=1.11&r2=1.12)
algutils.h (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/algutils.h.diff?r1=1.8&r2=1.9)
queues.c (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/queues.c.diff?r1=1.12&r2=1.13)
queues.h (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/queues.h.diff?r1=1.5&r2=1.6)
queuesfuncs.h (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/queuesfuncs.h.diff?r1=1.9&r2=1.10)
tset.c (r1.10 -> r1.11)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/tset.c.diff?r1=1.10&r2=1.11)
tset.h (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/tset.h.diff?r1=1.6&r2=1.7)
tsetfuncs.h (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/tsetfuncs.h.diff?r1=1.7&r2=1.8)