Bump mesa from 0.8.6 to 0.8.7

[dependabot-preview]

Bumps mesa from 0.8.6 to 0.8.7.

Changelog

Sourced from mesa's changelog.

0.8.7 (2020-05-05) Mammoth

Improvements

• Enable BatchRunner to run specified set of parameter combinations #651 (#607)
• Restructured runcontrol.js #661
• Add pipenv support for mesa #678
• Increase test coverage and change to codecov #692
• Updates Travis to explicitly set the dist to be Xenial #699
• time: Remove resolved TODO on random seed of random scheduler #708
• hex_snowflake: Update description to be more informative #712
• Added Coverall to Codecov in Contributing file #734
• Makes opening the browser optional when launching the server #755 #754
• NetworkGrid: Update to networkx 2.4 API #763
• Apply black to mesa/ directory #775
• Updated travis to 3.8 and updated gitignore #777
• Add information (to docstring) on image as agent portrayal shape #791
• Change grid empties from list to set #649 (improves speed)

Adding mypy annotation
:   -   space: Add type annotation to Grid class #779
-   add Mypy annotation to time, agent, and model #792
-   space: Add mypy annotation to the remaining methods/functions #796

Docs related
:   -   Bulk merge of docs from 'docs' to 'master' #684
-
    Created useful snippets code section in the docs [#668](https://github.com/projectmesa/mesa/issues/668) [#669](https://github.com/projectmesa/mesa/issues/669)
:   -   Updating index.rst [#672](https://github.com/projectmesa/mesa/issues/672)
    -   Clarify runserver snippet in index.rst [#682](https://github.com/projectmesa/mesa/issues/682)


Add documentation for feature (pipenv) added in #678 #683


Add docs for BatchRunner to support Variable and Fixed Parameter Contribution [#679](https://github.com/projectmesa/mesa/issues/679) [#683](https://github.com/projectmesa/mesa/issues/683)

:   -   Resources [#651](https://github.com/projectmesa/mesa/issues/651) in docs branch [#691](https://github.com/projectmesa/mesa/issues/691). This preps for [#683](https://github.com/projectmesa/mesa/issues/683) to be merged.


intro tutorial: Clarify a function that is not defined in the class #705
Updates formatting the readme Docs markdown #737

... (truncated)

Commits

• a71a80f Forgot to update the date on the release. :-(
• 8e65218 Merge pull request #826 from projectmesa/release
• 0b96b33 minor history.rst updates
• f8ef626 First swipe at release history.
• a816260 Merge pull request #821 from projectmesa/jk/test_random_walk
• 7d40556 Merge pull request #824 from projectmesa/jk/pd_readme_fix
• a02a891 Fixing broken table in pd_grid example
• 464a147 Fixing test_random_walk bug.
• ee6ed7f Merge pull request #767 from JamesHovet/fix-issue-765
• 8858920 Merge pull request #809 from StefRe/patch-1
• Additional commits viewable in compare view

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[codecov]

Codecov Report

Merging #15 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #15   +/-   ##
=======================================
  Coverage   88.86%   88.86%           
=======================================
  Files          19       19           
  Lines        1132     1132           
  Branches      189      189           
=======================================
  Hits         1006     1006           
  Misses         92       92           
  Partials       34       34           

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[dependabot-preview]

Superseded by #26.