Tabs to spaces! PEP8 FTW! (see details of commit message)

We should try to follow PEP directives as possible to ensure consistency
in our codebase.

Reference: http://www.python.org/dev/peps/pep-0008/
Make sure uploads folder is in repo (albeit empty)
Make sure one's SECRET_KEY variable is set
Add some useful scripts for debugging bad users etc. in the system