Fixing issue RB-1358

Will raise a seperate issue to cover the Date ctor, as per the comment
here
http://issues.hibernatingrhinos.com/issue/RavenDB-1358#comment=67-2407
Live updates of the Backup process (RavenDB-1370)
Added UI for no replication stats
Edit doc takes up all available height
Indexes page now loading real data
.gitignore'd LESS map file
Databases page now supports filter and delete
Can now change index locks

Also first stab at delete indexes
Finished delete index functionality
Moved extensions into common
Indexes now launches new index, edit index
Added a global progress indicator for backups

For RavenDB-1370
Initial work on LazyCount (RavenDB-1310)
Actual impl of LazyCount (RavenDB-1310)
Auto indexes can now be made persistent
Renamed to LazilyCount() and improved unit tests
LazilyCount with Sharded/AsyncSharded DocQuery
RavenDB-1536, fixing Jint Date constructor

Also fixed test in RavenDB for the original issue (RavenDB-1358)
Merge branch 'New3' of https://github.com/mattwarren/ravendb into New3

Conflicts:
	Raven.Backup/BackupOperation.cs
	Raven.Client.Lightweight/Document/Batches/LazyStartsWithOperation.cs
Merge branch 'New3' of https://github.com/ml054/ravendb into New3