Update paper.md, mailmap and small URL fix

[titipata]

• Update the text in paper.md
• Fix a few typos in the repository

[codecov-io]

Codecov Report

Merging #359 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #359   +/-   ##
=======================================
  Coverage   75.66%   75.66%           
=======================================
  Files           4        4           
  Lines         678      678           
  Branches      149      149           
=======================================
  Hits          513      513           
  Misses        128      128           
  Partials       37       37

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[titipata]

@jasmainak @pavanramkumar I fixed some text and typos in paper and a few places in documentation. I think this should addresses the comments in JOSS review.

[pavanramkumar]

thank you @titipata! i added some minor wordsmithing changes. @jasmainak looks good to merge for me!

[titipata]

thanks for editing @pavanramkumar! After this PR, it should be ready for JOSS submission. The writing is much better now.

[jasmainak]

Merged, thanks @titipata and @pavanramkumar !

[titipata]

@jasmainak @pavanramkumar should we tag the reviewer and editor in JOSS to do a final review then?

[jasmainak]

@titipata I am going to try to see if I can improve the example in the readme. One of the reviewers mentioned it as a "good to have". Then we can reply to the editor in the JOSS issue :) Will try to get it done by tonight.

[titipata]

@jasmainak Awesome! I saw the comment on that. Feel free to tag me to review the PR :)