Change redirects to 302 instead of default 303

For some reason, Play defaults to 303. Makes sense after a POST, but
not for GET.
Adding more redirects and robots.txt
Adding a basic fetcher job, step 1

First, get it running on Heroku, then sort out making it actually do
something.
Taking out Logger call to experiment
Adding in ws dependency
Sketching in fetcher functionality for trial run