Remove NMF and Saddle. Saves 21MB.
De-duplicate jars in releases. [finishes #70030292]
Add dependency-graph sbt plugin.

It's too useful to ignore when trying to reduce download size.
Only use _one_ scala-compiler.jar

We ought to use zero, but message-broker and Squeryl both depend on one.
They might as well be the same version.
Make Overview run on Windows, Mac OS X

[refs #69460726]