renamed `formatters` to `providers` in docs, because that's how they're called in the code
added sphinx docs
added placeholder files
fixed typo
another typo
renamed build_locales to build_docs
emptied out main.py
cut down README's content, and pointed people to RTD.
Update README.md
fixed build
Merge branch 'master' into docs
use absolute paths when building docs
trying to fix build under py3k
split main() into main() (for printing) and write_docs (for docs)
reverted __main__ to master, so that we can use it to generate docs in the console
added docs/_build to .gitignore
Merge branch 'refs/heads/master' into docs

Conflicts:
	README.md
Merge pull request #73 from joke2k/docs

Docs