Fix leveled layout #1
Open
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The diff of LeveledLayout.cs looks horrific. I suggest just looking at the new version as I did something a bit different.
I noticed a couple of issues with some of the layout unit tests which I've fixed:
ConvergenceDelayedLayoutwas checking the wrong entries in levels 1 and 2 (branch 2 should be in level 2).BackPropagationSkipLayoutandBackPropagationSkipLayout2were asserting there are 4 levels even though it later checked the content of 5 levels (5 is correct).