Hiding external Page state
Adding support for tracing actual size as was as used sized
RavenDB-1730 Voron: Optimize deletes
Merge branch 'voron' of github.com:ayende/raven.voron into voron
Fixing merge
Merge commit '7061802e74257f68d705fb98f55aa9ce24926e74' into New3

Conflicts:
	Raven.Voron/Voron.Tests/Backups/Incremental.cs
	Raven.Voron/Voron.Tests/Bugs/Snapshots.cs
	Raven.Voron/Voron.Tests/Storage/MemoryMapWithoutBackingPagerTest.cs
	Raven.Voron/Voron.Tests/Storage/Restarts.cs
	Raven.Voron/Voron.Tests/StorageTest.cs
	Raven.Voron/Voron.Tests/Voron.Tests.csproj
	Raven.Voron/Voron/Debugging/DebugStuff.cs
	Raven.Voron/Voron/Impl/Paging/Win32PageFileBackedMemoryMappedPager.cs
	Raven.Voron/Voron/StorageEnvironment.cs
	Raven.Voron/Voron/StorageEnvironmentOptions.cs
In DEBUG, only avoid the error if the assemblies aren't there.
Don't try to use extracted value if we already have extracted value