Fix paths in ktlint output directory 2.0

[AndrewPolovko]

I am sorry that I didn’t check my last revision of previous pull request (#84) on windows.
(It takes about 10 minutes to check it on my project)
When we removed “/” in outputDirectory and outputFile paths it created following issues:

1. Ktlint reports are created in folder buildreports instead of build\reports\ktlint. And buildreports folder has empty folder ktlint.
2. Reports has name: “ktlintktlint-checkstyle-report”
3. It is not possible to delete or open report file
   Returning back those 2 slashes in outputDirectory and outputFile fixes all problems above.

[vanniktech]

This will yield to a double slash. // Does not it?

[codecov]

Codecov Report

Merging #87 into master will not change coverage.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master      #87   +/-   ##
=========================================
  Coverage     58.28%   58.28%           
  Complexity       31       31           
=========================================
  Files             2        2           
  Lines           175      175           
  Branches         22       22           
=========================================
  Hits            102      102           
  Misses           70       70           
  Partials          3        3

Impacted Files	Coverage Δ	Complexity Δ
...h/code/quality/tools/CodeQualityToolsPlugin.groovy	57.3% <100%> (ø)	31 <0> (ø)	⬇️

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[AndrewPolovko]

I can't speak for linux but on windows it works just fine.
I assume that slash at the end of outputDirectory is just ignored because i get the same result with and without slash at the end.

[AndrewPolovko]

I removed slash at the end of outputDirectory since it is redundant.

[artem-bagritsevich]

Hi @vanniktech, could you please release 0.9.0? We need this changes for our project.

[vanniktech]

I'll do so. For now you can take the SNAPSHOT. I'll probably get to it on the weekend.