Alessio and Anne-Lyse additions
Merged
Merge pull request #1 from ziorufus/naf

Modifications made in FBK
Extended KAFDocument to support matching of dependency tree paths. Exposed some functions in AnnotationContainer
Merge pull request #2 from ziorufus/naf

Extended KAFDocument to support matching of dependency tree paths. Expos...
Merge naf-fbk into 'naf'
Fix bug in externalRefs