Pass name style policy to kotlin code generator

[rhappe]

This fix should make it so that the kotlin code generation respects the nameStyle option when using the gradle plugin.

Fixes #537

[codecov-commenter]

Codecov Report

Merging #538 (f480f1a) into master (7ee0951) will not change coverage. The diff coverage is 0.00%.

@@            Coverage Diff            @@
##             master     #538   +/-   ##
=========================================
  Coverage     59.43%   59.43%           
  Complexity      883      883           
=========================================
  Files            70       70           
  Lines          7071     7071           
  Branches       1036     1036           
=========================================
  Hits           4203     4203           
  Misses         2563     2563           
  Partials        305      305           

Files Changed	Coverage Δ
...hrifty/gradle/GenerateThriftSourcesWorkAction.java	0.00% <0.00%> (ø)

[benjamin-bader]

Thanks very much for the contribution!