Copyright revision

[Dillon-Brown]

Description

Language file copyright update for 2019.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Final checklist

• My code follows the code style of this project found here.
• My change requires a change to the documentation.
• I have read the How to Contribute guidelines.

[codecov-io]

Codecov Report

Merging #6698 into hotfix will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           hotfix    #6698      +/-   ##
==========================================
+ Coverage    7.28%    7.28%   +<.01%     
==========================================
  Files        3729     3729              
  Lines      386047   386047              
==========================================
+ Hits        28124    28125       +1     
+ Misses     357923   357922       -1