Specify the path for the config file

That information is present in the `aws-cli.pdf` file but not in
the README file.

This commit also adds whitespace in between the paragraph that discusses
the multiple profiles and the paragraph that talks about moving the
config file location.
Change directory to location
Merge branch 'mdaniel-readme-config-path' into develop

* mdaniel-readme-config-path:
  Change directory to location
  Specify the path for the config file