Update sbt plugin

[ffinfo]

No description provided.

[coveralls]

Coverage remained the same at 13.73% when pulling c4d7c2f on plugin-0.3 into bdf03c5 on develop.

[codecov-io]

Codecov Report

Merging #4 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop       #4   +/-   ##
========================================
  Coverage    13.72%   13.72%           
========================================
  Files            5        5           
  Lines          437      437           
  Branches        46       46           
========================================
  Hits            60       60           
  Misses         377      377

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