Make PhantomJS error report more readable when AMD module loads failed by requirejs

[*] It shows which module it failed to load
[!] Using @reinseth's implementation
https://github.com/reinseth/grunt-template-jasmine-requirejs/blob/4b067864438c6f3174b07b0f950343c6bc0eee9b/src/templates/jasmine-requirejs.html