pginstaller - pginst: Pull /contrib stuff from main installation

Log Message:
-----------
Pull /contrib stuff from main installation directories.

Modified Files:
--------------
pginst:
Makefile (r1.11 -> r1.12)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.diff?r1=1.11&r2=1.12)
Makefile.config (r1.10 -> r1.11)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.config.diff?r1=1.10&r2=1.11)
pginst/wxi:
guid.lst (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxi/guid.lst.diff?r1=1.1&r2=1.2)
pginst/wxs:
pginst.wxs (r1.42 -> r1.43)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.42&r2=1.43)