Copyedit: Clarify for those unfamiliar with pod try

When I read this question I thought it was offering me an
interactive demo of what was getting set up. When I read
the online docs
http://guides.cocoapods.org/making/using-pod-lib-create.html
it was clear that this was referring to a demo application
which would be available as part of the library.
Merge pull request #75 from paulmelnikow/copyedit

Copyedit: Clarify for those unfamiliar with pod try