[WIP] #685 Tutorial on Novelets

[NimaSarajpoor]

This addresses issue #685, Novelet Notebook. I was talking about this paper with one of my friends, and I decided to implement it. And, then I decided to create a notebook and push it here.

I have not reproduced the figures yet. For now, I just tried to provide the gist of paper and implement the algorithm and show the result.

Next steps:

• Check out MATLAB code to ensure the authors remain faithful to the algo provided in the paper
• Reproduce figures

[review-notebook-app]

Check out this pull request on 

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Codecov Report

Base: 99.60% // Head: 99.60% // No change to project coverage 👍

Coverage data is based on head (8a623e3) compared to base (ac238b6).
Patch has no changes to coverable lines.

Additional details and impacted files

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  Coverage   99.60%   99.60%           
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  Files          81       81           
  Lines       12758    12758           
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  Hits        12707    12707           
  Misses         51       51           

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[NimaSarajpoor]

@seanlaw
side note: the error raised here might be one of those (easy-to-resolve?) cases that might be resolved by the following:

• setting config variable STUMPY_STDDEV_THRESHOLD to smaller value: 1e-20
• refine std calculation if it is less than 1.0 (recall that this can mean not taking advantage of rolling std when we have T = np.random.rand() as std will be definitely less than 1.0

(OR, It might be one of those hard cases where cov becomes very small)

[seanlaw]

Thanks @NimaSarajpoor. Looks good