add coverage things

update-projectjson.ps1

@@ -1,8 +1,16 @@
-Get-ChildItem -Path $ENV:APPVEYOR_BUILD_FOLDER -Recurse –File -Filter project.json | foreach {
-    $jsonFile = Get-Content $_.FullName -raw | ConvertFrom-Json
-    if($jsonFile.version)
-    {
-        $jsonFile.version = $ENV:APPVEYOR_BUILD_VERSION
-        $jsonFile | ConvertTo-Json -Depth 999 | Out-File $_.FullName
-    }
-}
+$projectJsonFileLocation = "src/UriBuilder.Fluent/project.json"
+$newVersion = $env:APPVEYOR_REPO_TAG_NAME
+if($newVersion -eq $null)
+{
+ $newVersion = "1.0.0-${env:APPVEYOR_BUILD_VERSION}"
+}
+if($newVersion -eq $null)
+{
+  return
+}
+
+Write-Host "$projectJsonFileLocation will be update with new version '$newVersion'"
+
+$json = (Get-Content $projectJsonFileLocation -Raw) | ConvertFrom-Json
+$json.version = $newVersion
+$json | ConvertTo-Json -depth 100 | Out-File $projectJsonFileLocation