pgsql-server: Make the locale location relocatable.

Log Message:
-----------
Make the locale location relocatable.

Adjust get_*_path functions to be limited to MAXPGPATH.

Modified Files:
--------------
    pgsql-server/src/backend/main:
        main.c (r1.81 -> r1.82)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/main/main.c.diff?r1=1.81&r2=1.82)
    pgsql-server/src/bin/initdb:
        initdb.c (r1.32 -> r1.33)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/initdb/initdb.c.diff?r1=1.32&r2=1.33)
    pgsql-server/src/bin/pg_controldata:
        Makefile (r1.7 -> r1.8)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_controldata/Makefile.diff?r1=1.7&r2=1.8)
        pg_controldata.c (r1.15 -> r1.16)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_controldata/pg_controldata.c.diff?r1=1.15&r2=1.16)
    pgsql-server/src/bin/pg_dump:
        Makefile (r1.51 -> r1.52)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_dump/Makefile.diff?r1=1.51&r2=1.52)
        pg_dump.c (r1.370 -> r1.371)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_dump/pg_dump.c.diff?r1=1.370&r2=1.371)
        pg_dumpall.c (r1.34 -> r1.35)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_dump/pg_dumpall.c.diff?r1=1.34&r2=1.35)
        pg_restore.c (r1.56 -> r1.57)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_dump/pg_restore.c.diff?r1=1.56&r2=1.57)
    pgsql-server/src/bin/pg_resetxlog:
        Makefile (r1.9 -> r1.10)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_resetxlog/Makefile.diff?r1=1.9&r2=1.10)
        pg_resetxlog.c (r1.18 -> r1.19)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_resetxlog/pg_resetxlog.c.diff?r1=1.18&r2=1.19)
    pgsql-server/src/bin/psql:
        startup.c (r1.93 -> r1.94)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/psql/startup.c.diff?r1=1.93&r2=1.94)
    pgsql-server/src/bin/scripts:
        Makefile (r1.26 -> r1.27)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/Makefile.diff?r1=1.26&r2=1.27)
        clusterdb.c (r1.6 -> r1.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/clusterdb.c.diff?r1=1.6&r2=1.7)
        common.c (r1.7 -> r1.8)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/common.c.diff?r1=1.7&r2=1.8)
        common.h (r1.6 -> r1.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/common.h.diff?r1=1.6&r2=1.7)
        createdb.c (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/createdb.c.diff?r1=1.8&r2=1.9)
        createlang.c (r1.9 -> r1.10)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/createlang.c.diff?r1=1.9&r2=1.10)
        createuser.c (r1.10 -> r1.11)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/createuser.c.diff?r1=1.10&r2=1.11)
        dropdb.c (r1.9 -> r1.10)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/dropdb.c.diff?r1=1.9&r2=1.10)
        droplang.c (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/droplang.c.diff?r1=1.8&r2=1.9)
        dropuser.c (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/dropuser.c.diff?r1=1.8&r2=1.9)
        vacuumdb.c (r1.6 -> r1.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/vacuumdb.c.diff?r1=1.6&r2=1.7)
    pgsql-server/src/include:
        port.h (r1.37 -> r1.38)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/include/port.h.diff?r1=1.37&r2=1.38)
    pgsql-server/src/interfaces/libpq:
        fe-misc.c (r1.105 -> r1.106)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/libpq/fe-misc.c.diff?r1=1.105&r2=1.106)
    pgsql-server/src/port:
        Makefile (r1.13 -> r1.14)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/port/Makefile.diff?r1=1.13&r2=1.14)
        path.c (r1.11 -> r1.12)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/port/path.c.diff?r1=1.11&r2=1.12)