fulldisjunction - fd: Finally! added dictionary support so you can give

Log Message:
-----------
Finally! added dictionary support so you can give aliases to attribute names at relations when running FD (like an AS
clause).Fixed the problem with DISTINCT and CTID. ADDED much needed parameters sanity checks and error messages. 

Modified Files:
--------------
    fd:
        README (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/README.diff?r1=1.6&r2=1.7)
        algstructs.c (r1.18 -> r1.19)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/algstructs.c.diff?r1=1.18&r2=1.19)
        algstructs.h (r1.13 -> r1.14)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/algstructs.h.diff?r1=1.13&r2=1.14)
        algutils.c (r1.17 -> r1.18)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/algutils.c.diff?r1=1.17&r2=1.18)
        createFuncs.sql (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/createFuncs.sql.diff?r1=1.2&r2=1.3)
        odmbfd.c (r1.18 -> r1.19)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/fulldisjunction/fd/odmbfd.c.diff?r1=1.18&r2=1.19)