individually. Cap the actual download size at the reported size to ensure that
we don't end up borking our progress calculations if a web server returns a
"clever" value for content-size like 1 or 0, but then sends back real data.
Also sanitize the returned content-size in case the web server says something
awesome like -42. No one can be trusted on the Interwebs, least of all web
servers.
annoying dependency on javaws.jar (which no longer even includes JarDiff, now
that lives in $JAVA_HOME/samples/jnlp/servlet/jardiff.jar). We had already
forked JarDiffPatcher, so this completes the circle. Now I can also directly
fix some of the annoying JarDiff bugs we were working around, which I'll do at
some point.
os.name. If no architecture is specified, all architectures match, which
preserves the existing behavior.
Restructured things along the way to be more amenable to unit testing, and
added some unit tests.
Michael Bayne