When merging index segments, make sure we have an indexWriter
Fix tab/white-space inconsistency in Index.cs
Merge pull request #1056 from e-tobi/2.5.x

2.5.x
minor
fixes + prefetchingBehavior debug endpoint
removed $type added in prev pull request according Simon Bartlett request
Merge branch 'RavenDb_2428_2.5' of https://github.com/ReginaBricker/ravendb
Merge branch '2.5' of github.com:ayende/ravendb into 2.5
Add a note in the description of RavenDB.Database nuget package about the "Unable to install current RavenDB.Database nuget package" issue
Merge branch '2.5' of https://github.com/ayende/ravendb into power-failure

Conflicts:
	Raven.Database/Indexing/Index.cs