Add run-tests.ps1 to Solution

ImageSharp.sln

@@ -1,7 +1,6 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26730.3
 VisualStudioVersion = 15.0.26730.12
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionItems", "SolutionItems", "{C317F1B1-D75E-4C6D-83EB-80367343E0D7}"
@@ -19,6 +18,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionItems", "SolutionIt
 		NuGet.config = NuGet.config
 		.github\PULL_REQUEST_TEMPLATE.md = .github\PULL_REQUEST_TEMPLATE.md
 		README.md = README.md
+		run-tests.ps1 = run-tests.ps1
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Source", "Source", "{815C0625-CD3D-440F-9F80-2D83856AB7AE}"
@@ -46,9 +46,6 @@ EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ImageSharp.Sandbox46", "tests\ImageSharp.Sandbox46\ImageSharp.Sandbox46.csproj", "{561B880A-D9EE-44EF-90F5-817C54A9D9AB}"
 EndProject
 Global
-	GlobalSection(Performance) = preSolution
-		HasPerformanceSessions = true
-	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Debug|x64 = Debug|x64
@@ -133,4 +130,7 @@ Global
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {5F8B9D1F-CD8B-4CC5-8216-D531E25BD795}
 	EndGlobalSection
+	GlobalSection(Performance) = preSolution
+		HasPerformanceSessions = true
+	EndGlobalSection
 EndGlobal