GTNPORTAL-3214 FilteredNode impl not serializable
GTNPORTAL-3215 ApiNode adds unsaved nodes in wrong order during deserialization
GTNPORTAL-3213 hiding restricted nodes in navigation
GTNPORTAL-3209: Added Node Mapping validator plus minor fixes and improvements
GTNPORTAL-3207 fixing RF icons in import modal
GTNPORTAL-3216: make it easier to extend and customize the mobile site