Bump max line length to 140 characters in Checkstyle rules

[whym]

Title

Fixes #465 (Disabling LineLength Codacy check?)

Description

Changes the max line length defined in the Checkstyle rules to 140 characters. This value is used in our continuous integration. Per discussion in #465, it seems sensible to a higher max line length.

Tests performed

I checked with Travis CI and gradle checkstyle.

[codecov-io]

Codecov Report

Merging #1590 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #1590   +/-   ##
======================================
  Coverage    3.86%   3.86%           
======================================
  Files         149     149           
  Lines        7576    7576           
  Branches      721     721           
======================================
  Hits          293     293           
  Misses       7266    7266           
  Partials       17      17

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