fix empty set when using restrictions.in
don't try to pull alarms if we didn't match any nodes
reformat criteria classes
Added raw type suppress warning

Avoiding warning in compile
fix criteria conversion when an order by exists but we are calling for a count
reformat
add custom icons for individual node markers
StpNode, StpInterface and Vlan enhanced model

All the classes support specific type
in this manner the Gui layout is simplified
Merge branch 'master' into features/linkd-scalability