Added wasDerivedFrom
changes to images to add snapshotUri
Merge branch 'development' of https://github.com/InformationIntegrationGroup/dig-alignment into development

Conflicts:
	datasets/istr/images/ist-images-context.json
added wasGeneratedBy to features in istr images
Model screen shot using new Print model feature
Remove karma copy
DIG-60 @comment added featureObject object property for phone numbers. Updated ads-attributes to use this.
DIG-60 @comment Update StanfordExtractions to use featureObject PhoneNumber
Pedro's useful scripts
Model with objectified feature for phone
reorg model2. Added model-address. Updated iso8601date function
Add address to context. Fix phone model to remove Python Exceptions.
Model for ads:age
snapshot_uri is now absolute

Cannot be relative because it is not a real URI.
Revise age model DIG-75 #resolve
Fix phone model and add location
Fix exchange model
Add URI to country, fixed snapshotURI
Create workflows folder
Updated ads base model. Remove Snapshot URI, add Feature,Activity, modTimeISO