pginstaller - pginst: Add icons to buttons in directory browse dialog,

Log Message:
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Add icons to buttons in directory browse dialog, per #1000146.

Patch from Hiroshi Saito

Modified Files:
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pginst/wxs:
pginst.wxs (r1.86 -> r1.87)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.86&r2=1.87)

Added Files:
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pginst/bmp:
new.bmp (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/bmp/new.bmp?rev=1.1&content-type=text/x-cvsweb-markup)
up.bmp (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/bmp/up.bmp?rev=1.1&content-type=text/x-cvsweb-markup)