bizgres - bizgres: Documentation directory rework.

Log Message:
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Documentation directory rework.

Modified Files:
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bizgres:
build.xml (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/build.xml.diff?r1=1.9&r2=1.10)
common.xml (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/common.xml.diff?r1=1.8&r2=1.9)

Removed Files:
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bizgres/loader/doc:
DG050_userguide.pdf
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/loader/doc/DG050_userguide.pdf)