Added psake build script to clean, build and run unit tests

build.bat

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+echo off
+.\tools\psake\psake.bat %*

tools/nunit/SimpleSummary.xslt

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+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
+   <xsl:output method="text"/>
+
+   <xsl:template match="/">
+      <xsl:apply-templates/>
+   </xsl:template>
+
+   <xsl:template match="test-results">
+      <xsl:text>Tests run: </xsl:text>
+      <xsl:value-of select="@total"/>
+      <xsl:text>, Errors: </xsl:text>
+      <xsl:value-of select="@errors"/>
+      <xsl:text>, Failures: </xsl:text>
+      <xsl:value-of select="@failures"/>
+      <xsl:text>, Not run: </xsl:text>
+      <xsl:value-of select="@not-run"/>
+      <xsl:text>, Time: </xsl:text>
+      <xsl:value-of select="test-suite/@time"/>
+      <xsl:text> seconds
+</xsl:text>
+      <xsl:text>
+</xsl:text>
+
+      <xsl:if test="//test-case[failure]">
+         <xsl:text>Failures:
+</xsl:text>
+      </xsl:if>
+      <xsl:apply-templates select="//test-case[failure]"/>
+      <xsl:text>
+</xsl:text>
+
+      <xsl:if test="//test-case[@executed='False']">
+         <xsl:text>Tests not run:
+</xsl:text>
+      </xsl:if>
+      <xsl:apply-templates select="//test-case[@executed='False']"/>
+      <xsl:text disable-output-escaping="yes"/>
+   </xsl:template>
+
+   <xsl:template match="test-case">
+      <xsl:value-of select="position()"/>
+      <xsl:text>) </xsl:text>
+      <xsl:value-of select="@name"/>
+      <xsl:text>
+</xsl:text>
+      <xsl:value-of select="child::node()/message"/>
+      <xsl:text>
+</xsl:text>
+      <xsl:text>
+</xsl:text>
+   </xsl:template>
+</xsl:stylesheet>

tools/psake/default.ps1

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+Properties {
+	$base_dir = resolve-path .\..\..\
+	$packages_dir = "$base_dir\packages"
+	$build_artifacts_dir = "$base_dir\build"
+	$solution_name = "$base_dir\WebApiContrib.sln"
+	$nunit_runner = "$packages_dir\NUnit.Runners.2.6.0.12051\tools"
+	$nunit_build_destination = "$build_artifacts_dir\tools\nunit"
+	$nunitConsole = "$nunit_build_destination\nunit-console.exe"
+}
+
+Task Default -Depends BuildWebApiContrib, PrepareForTest, RunUnitTests
+
+Task BuildWebApiContrib -Depends Clean, Build
+
+Task Clean {
+	Exec { msbuild $solution_name /v:Quiet /t:Clean /p:Configuration=Release }
+}
+
+Task Build -depends Clean {
+	Exec { msbuild $solution_name /v:Quiet /t:Build /p:Configuration=Release /p:OutDir=$build_artifacts_dir } 
+}
+
+Task PrepareForTest {
+	$tools_folder = "$build_artifacts_dir\tools"
+	if (Test-Path $tools_folder) {
+		Remove-Item $tools_folder -Force -Recurse
+	}
+	Copy-Item "$nunit_runner\*" $nunit_build_destination
+	Copy-Item "$nunit_runner\lib\*" "$nunit_build_destination\lib"
+}
+
+Task RunUnitTests -depends PrepareForTest, Build {
+	$test_result = "$build_artifacts_dir\UnitTestsResult.xml"
+
+	& "$nunitConsole" "$build_artifacts_dir\WebApiContribTests.dll" /nologo /nodots "/xml=$test_result"
+
+	if ($lastexitcode -gt 0)
+	{
+		throw "{0} unit tests failed. See {0} for a simple summary." -f $lastexitcode, $test_result
+	}
+	if ($lastexitcode -lt 0)
+	{
+		throw "unit test run was terminated by a fatal error. See {0} for a simple summary." -f $test_result
+	}
+}

tools/psake/psake.bat

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+powershell.exe -NoProfile -ExecutionPolicy unrestricted -Command "& {Import-Module '.\tools\psake\psake.psm1'; invoke-psake .\tools\psake\default.ps1 %1 -parameters @{"version"="'%2'";"appPrefix"="'%3'";"filePath"="'%4'"}; if ($lastexitcode -ne 0) {write-host "ERROR: $lastexitcode" -fore RED; exit $lastexitcode} }"