FWIW in order to get Code Analysis running on my machine I [had to modify the Microsoft.CodeAnalysis.Targets](http://nikosbaxevanis.com/blog/2013/09/08/how-to-enable-code-analysis-for-f-number-projects/) file which is located at:
C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v11.0\CodeAnalysis