pgsql: Move reindexdb from /contrib to /bin.

Log Message:
-----------
Move reindexdb from /contrib to /bin.

Euler Taveira de Oliveira

Modified Files:
--------------
    pgsql/contrib:
        Makefile (r1.58 -> r1.59)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/Makefile.diff?r1=1.58&r2=1.59)
        README (r1.80 -> r1.81)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/README.diff?r1=1.80&r2=1.81)
    pgsql/doc/src/sgml:
        reference.sgml (r1.55 -> r1.56)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/reference.sgml.diff?r1=1.55&r2=1.56)
    pgsql/doc/src/sgml/ref:
        allfiles.sgml (r1.65 -> r1.66)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/allfiles.sgml.diff?r1=1.65&r2=1.66)
    pgsql/src/bin/scripts:
        Makefile (r1.33 -> r1.34)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/scripts/Makefile.diff?r1=1.33&r2=1.34)
        nls.mk (r1.18 -> r1.19)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/scripts/nls.mk.diff?r1=1.18&r2=1.19)

Added Files:
-----------
    pgsql/doc/src/sgml/ref:
        reindexdb.sgml (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/reindexdb.sgml?rev=1.1&content-type=text/x-cvsweb-markup)
    pgsql/src/bin/scripts:
        reindexdb.c (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/scripts/reindexdb.c?rev=1.1&content-type=text/x-cvsweb-markup)

Removed Files:
-------------
    pgsql/contrib/reindexdb:
        README
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/reindexdb/README)
        reindexdb
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/reindexdb/reindexdb)