added one more RenderAndShow overload for debugging
Squashed 'Raven.Voron/' changes from bca5381..5d1ad40

5d1ad40 StorageEnvironment::TransactionCompleted() changes to _trees collection are now atomic

git-subtree-dir: Raven.Voron
git-subtree-split: 5d1ad40a4f88079d63eff7131a95a3c037ae3246
Merge commit 'f933ce3e6f00575840a2ff869315b22c5cbaa1af' into 2.5-voron

Conflicts:
	Raven.Voron/Voron/StorageEnvironment.cs