suggestion for package niceties

[sachinag-zz]

Return the values for the description and the repository URL so that the user knows that their code was correct, which is better than just checking that they exist. This will ensure that the user put their URL in quotes correctly (which I messed up and only fixed when I tried to do lesson 8).

Also, my understanding is that Node 3.* doesn't require READMEs, so perhaps that instruction could be deleted.

I'm just going through this lesson at Node School SF so I'm adding suggestions in real time as we work through. Thanks!

[ashleygwilliams]

thanks @sachinag !! this kind of feedback is perfect. sorry for the delay in response.