see #887 Workaround the source jar java file duplication issue

[simonbasle]

See https://youtrack.jetbrains.com/issue/KT-17564
Will be fixed in kotlin-gradle-plugin 1.1.60

[codecov-io]

Codecov Report

Merging #888 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #888      +/-   ##
============================================
- Coverage     83.67%   83.65%   -0.02%     
- Complexity     3280     3283       +3     
============================================
  Files           319      319              
  Lines         25985    25985              
  Branches       4813     4813              
============================================
- Hits          21742    21738       -4     
- Misses         2796     2799       +3     
- Partials       1447     1448       +1

Impacted Files	Coverage Δ	Complexity Δ
...ava/reactor/core/publisher/WorkQueueProcessor.java	69.06% <0%> (-1.28%)	19% <0%> (ø)
...ain/java/reactor/core/publisher/FluxPublishOn.java	87.6% <0%> (-0.64%)	5% <0%> (ø)
.../main/java/reactor/core/publisher/FluxFlatMap.java	94.37% <0%> (-0.41%)	13% <0%> (ø)
...rc/main/java/reactor/core/publisher/Operators.java	72% <0%> (+0.18%)	81% <0%> (ø)	⬇️
...c/main/java/reactor/core/publisher/FluxExpand.java	94.22% <0%> (+0.44%)	3% <0%> (ø)	⬇️
...n/java/reactor/core/publisher/DirectProcessor.java	86.66% <0%> (+0.83%)	30% <0%> (+1%)	⬆️
...main/java/reactor/core/publisher/SignalLogger.java	59.82% <0%> (+0.85%)	44% <0%> (+1%)	⬆️

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[sdeleuze]

I have checked that the source JAR does not contain duplicated entries anymore.