pgsql-server: Make libpgport be front-end only and make libpgport_srv be

Log Message:
-----------
Make libpgport be front-end only and make libpgport_srv be a backend
library that uses palloc, ereport, etc.  This simplifies the makefiles
for client applications.

Modified Files:
--------------
    pgsql-server/src/backend:
        Makefile (r1.104 -> r1.105)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/Makefile.diff?r1=1.104&r2=1.105)
    pgsql-server/src/bin/initdb:
        Makefile (r1.44 -> r1.45)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/initdb/Makefile.diff?r1=1.44&r2=1.45)
    pgsql-server/src/bin/pg_config:
        Makefile (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_config/Makefile.diff?r1=1.8&r2=1.9)
    pgsql-server/src/bin/pg_controldata:
        Makefile (r1.9 -> r1.10)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_controldata/Makefile.diff?r1=1.9&r2=1.10)
    pgsql-server/src/bin/pg_ctl:
        Makefile (r1.15 -> r1.16)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_ctl/Makefile.diff?r1=1.15&r2=1.16)
    pgsql-server/src/bin/pg_dump:
        Makefile (r1.52 -> r1.53)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_dump/Makefile.diff?r1=1.52&r2=1.53)
    pgsql-server/src/bin/pg_resetxlog:
        Makefile (r1.11 -> r1.12)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/pg_resetxlog/Makefile.diff?r1=1.11&r2=1.12)
    pgsql-server/src/bin/psql:
        Makefile (r1.47 -> r1.48)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/psql/Makefile.diff?r1=1.47&r2=1.48)
    pgsql-server/src/bin/scripts:
        Makefile (r1.28 -> r1.29)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/scripts/Makefile.diff?r1=1.28&r2=1.29)
    pgsql-server/src/interfaces/ecpg/preproc:
        Makefile (r1.107 -> r1.108)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/preproc/Makefile.diff?r1=1.107&r2=1.108)
    pgsql-server/src/port:
        Makefile (r1.18 -> r1.19)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/port/Makefile.diff?r1=1.18&r2=1.19)
    pgsql-server/src/timezone:
        Makefile (r1.15 -> r1.16)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/timezone/Makefile.diff?r1=1.15&r2=1.16)