DataVision

This release adds XLS exportation support, adds
support for specifying
the starting report and the default output
directory from the
commandline, adds a test report which runs against
a Derby database,
includes the datavision_version.txt file in the
DataVision JAR,
eliminates NPE when copying report conn info from
an existing report,
fixes empty_charsep.xml, fixes overlapping
header/footer sections,
adds general documentation updates, implements CJK
fonts in PDF LE,
implements a CSS-based HTML layout engine,
modifies the DOS startup file
to fix issues, reinstates the changelog file,
updates the build script,
and upgrades all libraries.