RavenDB-1899 Delete incremental backup file after uploading it to S3
Merge branch 'RavenDB_1899' of github.com:ml054/ravendb
added last replication run stats
Fixing references
extended replication stats to show last 50 runs
Avoiding error bringing down entire test suite
Merge branch 'replication-stats' of https://github.com/ppekrol/ravendb into New3

Conflicts:
	Raven.Database/Bundles/PeriodicBackups/PeriodicBackupTask.cs
Restoring all tests