voron update
Fix the way we deal with "OPTIONS" requests
Merge branch 'New3' of https://github.com/DanielDar/ravendb into New3

Conflicts:
	Raven.Voron/Voron/Impl/Journal/JournalSnapshot.cs
	Raven.Voron/Voron/Impl/Journal/Win32JournalWriter.cs
	Raven.Voron/Voron/Impl/Paging/FragmentedPureMemoryPager.cs
Fix missing method in silverlight