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
removed sys.out
Can now change index locks

Also first stab at delete indexes
Finished delete index functionality
Moved extensions into common
introduced changes from ac14d73
Indexes now launches new index, edit index
sync to 1b0f264
fixed issues with .net version
Merge remote-tracking branch 'ayende/New3' into New3
fixed compilation error
Added a global progress indicator for backups

For RavenDB-1370
Initial work on LazyCount (RavenDB-1310)
Actual impl of LazyCount (RavenDB-1310)