Updating setup.cfg and tox.ini to remove specific version dependencie…

[dnsosa]

…s (spacy, allennlp) and to remove requirement for any spacy models. Hopefully this resolves travis issues.

[codecov-io]

Codecov Report

Merging #29 (f6a765c) into master (6778315) will decrease coverage by 14.59%.
The diff coverage is 5.38%.

@@             Coverage Diff             @@
##           master      #29       +/-   ##
===========================================
- Coverage   44.32%   29.73%   -14.60%     
===========================================
  Files          16       18        +2     
  Lines         740     1120      +380     
  Branches      111      189       +78     
===========================================
+ Hits          328      333        +5     
- Misses        401      772      +371     
- Partials       11       15        +4     

Impacted Files	Coverage Δ
src/contradictory_claims/cli.py	0.00% <0.00%> (ø)
src/contradictory_claims/models/analysis_utils.py	21.62% <ø> (ø)
...radictory_claims/models/bluebert_evaluate_model.py	0.00% <0.00%> (ø)
...ontradictory_claims/models/bluebert_train_model.py	0.00% <0.00%> (ø)
src/contradictory_claims/models/evaluate_model.py	8.57% <5.55%> (-0.36%)	⬇️
src/contradictory_claims/models/train_model.py	28.77% <9.37%> (-7.42%)	⬇️
src/contradictory_claims/data/make_dataset.py	23.66% <13.49%> (-35.07%)	⬇️

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