package.json: Added 'description' and 'repository'.
package.json: Added 'description' and 'repository'.

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