Removed unnecessary requirement for model to be a ModelCom (by dropping down to graph isomorphism).
Removed unnecessary requirement for model to be a ModelCom (by dropping
down to graph isomorphism).


git-svn-id: 227c23bb629cf7bef445105b977924772e49ae4f@1111560 13f79535-47bb-0310-9956-ffa450edef68

danc86/jena-core,danc86/jena-core