GSoC storm

3.0.0, 2017-09-27

🌟 New features:

• Add unsupervised FastText to Gensim (@chinmayapancholi13, #1525)
• Add sklearn API for gensim models (@chinmayapancholi13, #1462)
• Add callback metrics for LdaModel and integration with Visdom (@parulsethi, #1399)
• Add TranslationMatrix model (@robotcator, #1434)
• Add word2vec-based coherence. Fix #1380 (@macks22, #1530)

👍 Improvements:

• Add 'diagonal' parameter for LdaModel.diff (@parulsethi, #1448)
• Add 'score' function for SklLdaModel (@chinmayapancholi13, #1445)
• Update sklearn API for gensim models (@chinmayapancholi13, #1473) [:warning: breaks backward compatibility]
• Add CoherenceModel to LdaModel.top_topics. Fix #1128 (@macks22, #1427)
• Add dendrogram viz for topics and JS metric (@parulsethi, #1484)
• Add topic network viz (@parulsethi, #1536)
• Replace viewitems to iteritems. Fix #1495 (@HodorTheCoder, #1508)
• Fix Travis config and add style-checking for Ipython Notebooks. Fix #1518, #1520 (@menshikh-iv, #1522)
• Remove mutable args from definitions. Fix #1561 (@zsef123, #1562)
• Add Appveyour for all PRs. Fix #1565 (@menshikh-iv, #1565)
• Refactor code by PEP8. Partially fix #1521 (@zsef123, #1550)
• Refactor code by PEP8 with additional limitations. Fix #1521 (@menshikh-iv, #1569)
• Update FastTextKeyedVectors.__contains__ (@ELind77, #1499)
• Update WikiCorpus tokenization. Fix #1534 (@roopalgarg, #1537)

🔴 Bug fixes:

• Remove round in LdaSeqModel.print_topic. Fix #1480 (@menshikh-iv, #1547)
• Fix TextCorpus.samle_text (@menshikh-iv, #1548)
• Fix Mallet wrapper and tests for HDPTransform (@menshikh-iv, #1555)
• Fix incorrect initialization ShardedCorpus with a generator. Fix #1511 (@karkkainenk1, #1512)
• Add verification when summarize_corpus returns null. Fix #1531 (@fbarrios, #1570)
• Fix doctag unicode problem. Fix 1543 (@englhardt, #1544)
• Fix Translation Matrix (@robotcator, #1594)
• Add trainable flag to KeyedVectors.get_embedding_layer. Fix #1557 (@zsef123, #1558)

📚 Tutorial and doc improvements:

• Update exception text in TextCorpus.samle_text. Partial fix #308 (@vlejd, #1444)
• Remove extra filter_token from tutorial (@VorontsovIE, #1502)
• Update Doc2Vec-IMDB notebook (@pahdo, #1476)
• Add Google Tag Manager for site (@yardos, #1556)
• Update docstring explaining lack of multistream support in WikiCopus. Fix #1496 (@polm and @menshikh-iv, #1515)
• Fix PathLineSentences docstring (@gojomo)
• Fix typos from Translation Matrix notebook (@robotcator, #1598)