Rename LICENSE->LICENSE_1_0.txt

[mvandeberg]

Closes #303

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.80%. Comparing base (471fc61) to head (b2d2ca4).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #321   +/-   ##
========================================
  Coverage    77.80%   77.80%           
========================================
  Files           96       96           
  Lines         6984     6984           
  Branches      1681     1681           
========================================
  Hits          5434     5434           
  Misses        1055     1055           
  Partials       495      495           

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