Fixed code analysis flags

DotNetBuilder/Compiler.cs

@@ -95,6 +95,11 @@ namespace MicroBuildServer.DotNetBuilder
 				globalProperty.Add("MBSBuilderPath", BuilderAssemblyDirectory);
 				globalProperty.Add("CustomBeforeMicrosoftCSharpTargets", Path.Combine(BuilderAssemblyDirectory, "ImportStyleCop.targets"));
 			}
+			else
+			{
+				globalProperty.Add("RunCodeAnalysis", "false");
+				globalProperty.Add("CodeAnalysisRuleSet", string.Empty);
+			}
 
 			var buildRequest = new BuildRequestData(request.SolutionPath, globalProperty, "14.0", new [] { request.Target }, null);