(GH-147) Switch to recipe.cake file

This provides some immediate information that a repository is using
Cake.Recipe, and it is a convention now followed by a number of other
repositories.

.appveyor.yml

@@ -27,4 +27,4 @@ branches:
 #  Build Cache                    #
 #---------------------------------#
 cache:
-- tools -> setup.cake
+- tools -> recipe.cake

build.ps1

@@ -35,7 +35,7 @@ http://cakebuild.net
 
 [CmdletBinding()]
 Param(
-    [string]$Script = "setup.cake",
+    [string]$Script = "recipe.cake",
     [string]$Target = "Default",
     [ValidateSet("Release", "Debug")]
     [string]$Configuration = "Release",
@@ -181,4 +181,4 @@ if (!(Test-Path $CAKE_EXE)) {
 # Start Cake
 Write-Host "Running build script..."
 Invoke-Expression "& `"$CAKE_EXE`" `"$Script`" -target=`"$Target`" -configuration=`"$Configuration`" -verbosity=`"$Verbosity`" $UseMono $UseDryRun $UseExperimental $ScriptArgs"
-exit $LASTEXITCODE
+exit $LASTEXITCODE

build.sh

@@ -99,4 +99,4 @@ fi
 ###########################################################################
 
 # Start Cake
-exec mono "$CAKE_EXE" setup.cake --verbosity=$VERBOSITY --configuration=$CONFIGURATION --target=$TARGET $DRYRUN "${SCRIPT_ARGUMENTS[@]}"
+exec mono "$CAKE_EXE" recipe.cake --verbosity=$VERBOSITY --configuration=$CONFIGURATION --target=$TARGET $DRYRUN "${SCRIPT_ARGUMENTS[@]}"

src/Cake.AzureDevOps.sln

@@ -9,7 +9,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Cake.AzureDevOps.Tests", "C
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{E086EBC9-C1E6-4B49-AFFB-B3F6340886BA}"
 	ProjectSection(SolutionItems) = preProject
-		..\setup.cake = ..\setup.cake
+		..\recipe.cake = ..\recipe.cake
 	EndProjectSection
 EndProject
 Global