RavenDB-2962 Status -> Indexing Costs
Ensure that we pulse the transaction while purging long lists
RavenDB-3010 Detect 3.0 client against 2.5 server and error on that.
Merge branch 'RavenDB_3010' of https://github.com/ml054/ravendb
Merge branch 'RavenDB_2962' of https://github.com/ml054/ravendb

Conflicts:
	Raven.Studio.Html5/Index.html