Upload Coveralls Report

graph TD; Upload-Coveralls-Report-->Test; Test-->Build; Test-->Test-NUnit; Test-->Test-xUnit; Test-->Test-MSTest; Test-->Test-VSTest; Test-->Test-Fixie; Test-Fixie-->Install-OpenCover; Install-OpenCover-->Install-ReportUnit; Install-ReportUnit-->Install-ReportGenerator; Build-->Clean; Build-->Restore; Clean-->Show-Info; Clean-->Print-AppVeyor-Environment-Variables;