Merge branch 'master' of https://github.com/ayende/ravendb

Conflicts:
	Raven.Studio.Html5/Content/app.css
Merge branch 'master' of https://github.com/grisha-kotler/ravendb

Conflicts:
	Raven.Studio.Html5/Content/app.css
issue fix RavenDB-2082 Trying to use sync API inside Web API hangs
added configureAwait calls to all TryOperationAsync calls