AssetGraph.cloneAsset: Added support for attaching some incoming relations before resolving the outgoing ones so that getBaseAssetForRelation can work.
AssetGraph.cloneAsset: Added support for attaching some incoming relations before resolving the outgoing ones so that getBaseAssetForRelation can work.

jscinoz/assetgraph,jscinoz/assetgraph,slang800/assetgraph,assetgraph/assetgraph,papandreou/assetgraph,papandreou/assetgraph,slang800/assetgraph,papandreou/assetgraph,jscinoz/assetgraph