Repro tests for issues RavenDB-2330 and RavenDB-2331
- first version of reset counter
- don't replicate counter if only creating it with value=0
fix for counting the correct number of groups
fix for resetting unsaved or deleted counters
fixed replication when resetting counter
- Fixed: http://issues.hibernatingrhinos.com/issue/RavenDB-2330
- Fixed: http://issues.hibernatingrhinos.com/issue/RavenDB-2331
- Fixed: RavenDB-2339
* Server side: Couldn't find any reference to caching on the download code-path.
* Browser side: I have forced through CacheControl the following behaviors: No-Cache, No-Store, Must-Revalidate and a MaxAge of zero.
- Converted to async another test.
another fix for reset when the sum of negatives is bigger than the sum of positives
Merge branch 'master' of https://github.com/ayende/ravendb
added an option to reset a counter in the ui
fix for deleting a counter storage with the correct path
fix for deleting a file system with the correct path
fixed RavenDb_2327 & RavenDb_2294
RavenDb_2282 in progress , not finished yet
Merge branch 'master' of https://github.com/ayende/ravendb into RavenDb_3223

Conflicts:
	Raven.Studio.Html5/App/views/editDocument.html
	Raven.Studio.Html5/App/widgets/virtualTable/viewModel.ts
- fixed reset counter
- fixed server sending to check for last etag
Merge branch 'master' of https://github.com/ayende/ravendb
- Removed inexistent RavenFS Silverlight Studio.
- Ensure any potential response where staleness can impact respond with No-Cache headers until the introduction of a higher level abstraction to deal with the metadata.
Merge remote-tracking branch 'raven-authoritative/master'
Avoid allocations in InIndexStale
Merge branch 'master' of https://github.com/Corvalius/ravendb