pginstaller - pginst: Optionally install procedural languages into

Log Message:
-----------
Optionally install procedural languages into template1. Also, add plperl to the installer.
Adds dependency on the postgresql source code to Makefile.config

Modified Files:
--------------
    pginst:
        Makefile.config (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.config.diff?r1=1.4&r2=1.5)
    pginst/ca:
        Makefile (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/Makefile.diff?r1=1.2&r2=1.3)
        pginstca.c (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/pginstca.c.diff?r1=1.5&r2=1.6)
    pginst/wxs:
        dialogs.wxs (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/dialogs.wxs.diff?r1=1.9&r2=1.10)
        pginst.wxs (r1.17 -> r1.18)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.17&r2=1.18)