Textwiser

Minor
- Change the binary parameter of sklearn models to be a boolean
- Fix a test issue caused by umap fit_transform

**Major:**
- Utilize ELMo from TFHub and remove allennlp dependency

**Major:**
- Update UMAP to return deterministic output in latest version
- Update SVD to return deterministic output
- Update Word2Vec and Doc2Vec with latest gensim training

**Minor:**
- Disable non-relevant transformers warning
- Add full requirement install option (see requirements_full.txt)
- Make gensim requirement explicit instead of relying on flair's dependency tree
- Directly utilize ELMo from allennlp instead of flair by bumping allennlp requirement