LdaViewer.aggregate_doc_topics and LdaViewer.doc_topics(aggregate=True)

[JaimieMurdock]

These two functions should have equivalent output. Currently LdaViewer.aggregate_doc_topics(ids) returns a list of topics and probabilities. An option should be added to show_topics, being the top 10 words. LdaViewer.doc_topics(ids, aggregate=True) returns a DataTable with the topic probabilities for each document, normalized such that the sum of all document probabilities is 1.