chore(package): update tslint to version 5.2.0

[citizensas]

Closes #30

[codecov]

Codecov Report

Merging #49 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #49   +/-   ##
=======================================
  Coverage   70.13%   70.13%           
=======================================
  Files           1        1           
  Lines         144      144           
  Branches       29       29           
=======================================
  Hits          101      101           
  Misses         32       32           
  Partials       11       11

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