python - ip: Add PDF chain using FOP and xsl-fo.

Log Message:
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Add PDF chain using FOP and xsl-fo.

Minor content changes.

Modified Files:
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ip:
Makefile (r1.1.1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/ip/Makefile.diff?r1=1.1.1.1&r2=1.2)
spec.xml (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/ip/spec.xml.diff?r1=1.2&r2=1.3)
ip/src:
abstract.py (r1.1.1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/ip/src/abstract.py.diff?r1=1.1.1.1&r2=1.2)

Added Files:
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ip/env/xslt:
fo.xml (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/ip/env/xslt/fo.xml?rev=1.1&content-type=text/x-cvsweb-markup)