fix for null reference error
RavenDB-2478: implemented basic sqlReplication metrics server side only
RavenDB-2478 added some new metrics functions
RavenDB-2478 added some new metrics functions
RavenDB-2174: Some code refactoring around WebSocketsTransport
RavenDB-2174: some more code refactoring
Merge branch 'master' of https://github.com/ayende/ravendb into RavenDB-2174

Conflicts:
	Raven.Database/Server/AppBuilderExtensions.cs
removed unused properties from studio also
RavenDB-2174: some code refactoring, started implementing new "watchTraffic" UI
RavenDB-2174: implemented watchTrafficConfig
- New approach for the files query implementation. We are closely adhering to how DocumentQuery<T> does it without the LINQ parts.
show database suggestions on input focus
Better backward compatibility with the way we were storing the version hilo
- ui fixes
- changes api connection to system database fixes
RavenDB-2174: implemented basic watchTraffic
- fixes to bundles options after database creation
- gather debug info view
- added debug info view
- api keys fixes
Merge branch 'master' of https://github.com/ayende/ravendb into RavenDB-2570
changed isActive class to 'pressed' and moved it to a common place in app.less
RavenDB-2578 Embedded store. PutAttachment hangs when used in web app (MVC)