SnapshotComparison:Story Added

Build 1460 on matt/ap-3586-product-tour-of-vt-features
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Baseline History
Build 1460a59b229
Current build. There are unaccepted changes, so build 1425 is still the baseline.
Build 14251e549d5 current baseline
Accepted by Jono Kolnik.
Build 1403734e3b6
Accepted by Jono Kolnik.
Build 126707c98ce
Accepted by Gert Hengeveld.
Build 126307916cc
Accepted by Gert Hengeveld.
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