Reformulate LeafRefContext without SchemaPath
The use of SchemaNode.getPath() is a mistake, which we really want to
correct. Use SchemaNodeIdentifier to identify nodes, as that is really
what we need -- and the methods are really belong to LeafRefContext, not
into a separate LeafRefContextUtils class.
JIRA: YANGTOOLS-1092
Change-Id: I012861b8f4ad580b86b49a1265eba785958e3437
Signed-off-by: miroslav.kovac <miroslav.kovac@pantheon.tech>
Signed-off-by: Michal Banik <michal.banik@pantheon.tech>
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>